Home / 287,963,157.53-397,276,084.09-167,240,593.76

Finding the Fourth Proportional to 287,963,157.53, 397,276,084.09 and 167,240,593.76

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Solution

The fourth proportional to 287,963,157.53, 397,276,084.09 and 167,240,593.76 is: 230,726,349.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,963,157.53 : 397,276,084.09 = 167,240,593.76 : x
  2. Step 2: Convert to fraction form
    287,963,157.53/397,276,084.09 = 167,240,593.76/x
  3. Step 3: Cross multiply
    287,963,157.53x = 397,276,084.09 × 167,240,593.76
  4. Step 4: Simplify right side
    287,963,157.53x = 66,440,688,187,036,704
  5. Step 5: Solve for x
    x = 66,440,688,187,036,704/287,963,157.53
  6. Step 6: Final answer
    x = 230,726,349.71

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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.