Home / 138,896,541.54-208,324,531.38-40,501,807.62

Finding the Fourth Proportional to 138,896,541.54, 208,324,531.38 and 40,501,807.62

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Solution

The fourth proportional to 138,896,541.54, 208,324,531.38 and 40,501,807.62 is: 60,746,797.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,896,541.54 : 208,324,531.38 = 40,501,807.62 : x
  2. Step 2: Convert to fraction form
    138,896,541.54/208,324,531.38 = 40,501,807.62/x
  3. Step 3: Cross multiply
    138,896,541.54x = 208,324,531.38 × 40,501,807.62
  4. Step 4: Simplify right side
    138,896,541.54x = 8,437,520,092,479,412
  5. Step 5: Solve for x
    x = 8,437,520,092,479,412/138,896,541.54
  6. Step 6: Final answer
    x = 60,746,797.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.