Home / 138,896,574.84-208,324,581.17-40,501,840.64

Finding the Fourth Proportional to 138,896,574.84, 208,324,581.17 and 40,501,840.64

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Solution

The fourth proportional to 138,896,574.84, 208,324,581.17 and 40,501,840.64 is: 60,746,847.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,896,574.84 : 208,324,581.17 = 40,501,840.64 : x
  2. Step 2: Convert to fraction form
    138,896,574.84/208,324,581.17 = 40,501,840.64/x
  3. Step 3: Cross multiply
    138,896,574.84x = 208,324,581.17 × 40,501,840.64
  4. Step 4: Simplify right side
    138,896,574.84x = 8,437,528,986,697,952
  5. Step 5: Solve for x
    x = 8,437,528,986,697,952/138,896,574.84
  6. Step 6: Final answer
    x = 60,746,847.04

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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.