Home / 126,839,320.50-175,035,285.24-74,631,737.64

Finding the Fourth Proportional to 126,839,320.50, 175,035,285.24 and 74,631,737.64

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Solution

The fourth proportional to 126,839,320.50, 175,035,285.24 and 74,631,737.64 is: 102,990,046.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,839,320.50 : 175,035,285.24 = 74,631,737.64 : x
  2. Step 2: Convert to fraction form
    126,839,320.50/175,035,285.24 = 74,631,737.64/x
  3. Step 3: Cross multiply
    126,839,320.50x = 175,035,285.24 × 74,631,737.64
  4. Step 4: Simplify right side
    126,839,320.50x = 13,063,187,485,774,246
  5. Step 5: Solve for x
    x = 13,063,187,485,774,246/126,839,320.50
  6. Step 6: Final answer
    x = 102,990,046.26

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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.