Home / 138,896,284.92-208,324,147-40,501,551.12

Finding the Fourth Proportional to 138,896,284.92, 208,324,147 and 40,501,551.12

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Solution

The fourth proportional to 138,896,284.92, 208,324,147 and 40,501,551.12 is: 60,746,413.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,896,284.92 : 208,324,147 = 40,501,551.12 : x
  2. Step 2: Convert to fraction form
    138,896,284.92/208,324,147 = 40,501,551.12/x
  3. Step 3: Cross multiply
    138,896,284.92x = 208,324,147 × 40,501,551.12
  4. Step 4: Simplify right side
    138,896,284.92x = 8,437,451,089,250,894
  5. Step 5: Solve for x
    x = 8,437,451,089,250,894/138,896,284.92
  6. Step 6: Final answer
    x = 60,746,413.01

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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.