Home / 159,001,849,175.28-219,423,263,580.36-86,743,695,060.15

Finding the Fourth Proportional to 159,001,849,175.28, 219,423,263,580.36 and 86,743,695,060.15

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Solution

The fourth proportional to 159,001,849,175.28, 219,423,263,580.36 and 86,743,695,060.15 is: 119,706,687,462.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,001,849,175.28 : 219,423,263,580.36 = 86,743,695,060.15 : x
  2. Step 2: Convert to fraction form
    159,001,849,175.28/219,423,263,580.36 = 86,743,695,060.15/x
  3. Step 3: Cross multiply
    159,001,849,175.28x = 219,423,263,580.36 × 86,743,695,060.15
  4. Step 4: Simplify right side
    159,001,849,175.28x = 19,033,584,665,117,660,807,168
  5. Step 5: Solve for x
    x = 19,033,584,665,117,660,807,168/159,001,849,175.28
  6. Step 6: Final answer
    x = 119,706,687,462.08

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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.