Home / 159,001,849,139.90-219,423,263,531.52-86,743,695,024.76

Finding the Fourth Proportional to 159,001,849,139.90, 219,423,263,531.52 and 86,743,695,024.76

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Solution

The fourth proportional to 159,001,849,139.90, 219,423,263,531.52 and 86,743,695,024.76 is: 119,706,687,413.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,001,849,139.90 : 219,423,263,531.52 = 86,743,695,024.76 : x
  2. Step 2: Convert to fraction form
    159,001,849,139.90/219,423,263,531.52 = 86,743,695,024.76/x
  3. Step 3: Cross multiply
    159,001,849,139.90x = 219,423,263,531.52 × 86,743,695,024.76
  4. Step 4: Simplify right side
    159,001,849,139.90x = 19,033,584,653,115,710,242,816
  5. Step 5: Solve for x
    x = 19,033,584,653,115,710,242,816/159,001,849,139.90
  6. Step 6: Final answer
    x = 119,706,687,413.23

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.