Home / 291,732,301.76-402,585,839.42-159,572,142.23

Finding the Fourth Proportional to 291,732,301.76, 402,585,839.42 and 159,572,142.23

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Solution

The fourth proportional to 291,732,301.76, 402,585,839.42 and 159,572,142.23 is: 220,206,965.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,732,301.76 : 402,585,839.42 = 159,572,142.23 : x
  2. Step 2: Convert to fraction form
    291,732,301.76/402,585,839.42 = 159,572,142.23/x
  3. Step 3: Cross multiply
    291,732,301.76x = 402,585,839.42 × 159,572,142.23
  4. Step 4: Simplify right side
    291,732,301.76x = 64,241,484,824,901,392
  5. Step 5: Solve for x
    x = 64,241,484,824,901,392/291,732,301.76
  6. Step 6: Final answer
    x = 220,206,965.22

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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.