Home / 139,957,270.23-209,921,730.87-37,731,641.43

Finding the Fourth Proportional to 139,957,270.23, 209,921,730.87 and 37,731,641.43

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Solution

The fourth proportional to 139,957,270.23, 209,921,730.87 and 37,731,641.43 is: 56,593,640.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,957,270.23 : 209,921,730.87 = 37,731,641.43 : x
  2. Step 2: Convert to fraction form
    139,957,270.23/209,921,730.87 = 37,731,641.43/x
  3. Step 3: Cross multiply
    139,957,270.23x = 209,921,730.87 × 37,731,641.43
  4. Step 4: Simplify right side
    139,957,270.23x = 7,920,691,477,551,802
  5. Step 5: Solve for x
    x = 7,920,691,477,551,802/139,957,270.23
  6. Step 6: Final answer
    x = 56,593,640.79

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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.