Home / 205,812,796.59-284,022,155.13-112,999,287.15

Finding the Fourth Proportional to 205,812,796.59, 284,022,155.13 and 112,999,287.15

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Solution

The fourth proportional to 205,812,796.59, 284,022,155.13 and 112,999,287.15 is: 155,939,288.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,812,796.59 : 284,022,155.13 = 112,999,287.15 : x
  2. Step 2: Convert to fraction form
    205,812,796.59/284,022,155.13 = 112,999,287.15/x
  3. Step 3: Cross multiply
    205,812,796.59x = 284,022,155.13 × 112,999,287.15
  4. Step 4: Simplify right side
    205,812,796.59x = 32,094,301,064,496,716
  5. Step 5: Solve for x
    x = 32,094,301,064,496,716/205,812,796.59
  6. Step 6: Final answer
    x = 155,939,288.50

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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.