Home / 159,001,849,168.52-219,423,263,571.02-86,743,695,053.39

Finding the Fourth Proportional to 159,001,849,168.52, 219,423,263,571.02 and 86,743,695,053.39

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Solution

The fourth proportional to 159,001,849,168.52, 219,423,263,571.02 and 86,743,695,053.39 is: 119,706,687,452.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,001,849,168.52 : 219,423,263,571.02 = 86,743,695,053.39 : x
  2. Step 2: Convert to fraction form
    159,001,849,168.52/219,423,263,571.02 = 86,743,695,053.39/x
  3. Step 3: Cross multiply
    159,001,849,168.52x = 219,423,263,571.02 × 86,743,695,053.39
  4. Step 4: Simplify right side
    159,001,849,168.52x = 19,033,584,662,823,078,723,584
  5. Step 5: Solve for x
    x = 19,033,584,662,823,078,723,584/159,001,849,168.52
  6. Step 6: Final answer
    x = 119,706,687,452.74

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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.