Home / 92,015,514.90-137,784,123.90-72,724,206.60

Finding the Fourth Proportional to 92,015,514.90, 137,784,123.90 and 72,724,206.60

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Solution

The fourth proportional to 92,015,514.90, 137,784,123.90 and 72,724,206.60 is: 108,897,299.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,015,514.90 : 137,784,123.90 = 72,724,206.60 : x
  2. Step 2: Convert to fraction form
    92,015,514.90/137,784,123.90 = 72,724,206.60/x
  3. Step 3: Cross multiply
    92,015,514.90x = 137,784,123.90 × 72,724,206.60
  4. Step 4: Simplify right side
    92,015,514.90x = 10,020,241,092,703,598
  5. Step 5: Solve for x
    x = 10,020,241,092,703,598/92,015,514.90
  6. Step 6: Final answer
    x = 108,897,299.59

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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.