Home / 137,705,670.10-206,585,765.08-39,338,225.74

Finding the Fourth Proportional to 137,705,670.10, 206,585,765.08 and 39,338,225.74

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Solution

The fourth proportional to 137,705,670.10, 206,585,765.08 and 39,338,225.74 is: 59,015,125.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,705,670.10 : 206,585,765.08 = 39,338,225.74 : x
  2. Step 2: Convert to fraction form
    137,705,670.10/206,585,765.08 = 39,338,225.74/x
  3. Step 3: Cross multiply
    137,705,670.10x = 206,585,765.08 × 39,338,225.74
  4. Step 4: Simplify right side
    137,705,670.10x = 8,126,717,461,387,650
  5. Step 5: Solve for x
    x = 8,126,717,461,387,650/137,705,670.10
  6. Step 6: Final answer
    x = 59,015,125.92

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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.