Home / 139,957,221.40-209,921,657.90-37,731,592.60

Finding the Fourth Proportional to 139,957,221.40, 209,921,657.90 and 37,731,592.60

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Solution

The fourth proportional to 139,957,221.40, 209,921,657.90 and 37,731,592.60 is: 56,593,567.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,957,221.40 : 209,921,657.90 = 37,731,592.60 : x
  2. Step 2: Convert to fraction form
    139,957,221.40/209,921,657.90 = 37,731,592.60/x
  3. Step 3: Cross multiply
    139,957,221.40x = 209,921,657.90 × 37,731,592.60
  4. Step 4: Simplify right side
    139,957,221.40x = 7,920,678,473,799,372
  5. Step 5: Solve for x
    x = 7,920,678,473,799,372/139,957,221.40
  6. Step 6: Final answer
    x = 56,593,567.62

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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.