Home / 138,896,574.33-208,324,580.41-40,501,840.13

Finding the Fourth Proportional to 138,896,574.33, 208,324,580.41 and 40,501,840.13

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Solution

The fourth proportional to 138,896,574.33, 208,324,580.41 and 40,501,840.13 is: 60,746,846.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,896,574.33 : 208,324,580.41 = 40,501,840.13 : x
  2. Step 2: Convert to fraction form
    138,896,574.33/208,324,580.41 = 40,501,840.13/x
  3. Step 3: Cross multiply
    138,896,574.33x = 208,324,580.41 × 40,501,840.13
  4. Step 4: Simplify right side
    138,896,574.33x = 8,437,528,850,915,150
  5. Step 5: Solve for x
    x = 8,437,528,850,915,150/138,896,574.33
  6. Step 6: Final answer
    x = 60,746,846.29

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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.