Home / 91,488,886.60-137,233,329.90-78,734,302.60

Finding the Fourth Proportional to 91,488,886.60, 137,233,329.90 and 78,734,302.60

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Solution

The fourth proportional to 91,488,886.60, 137,233,329.90 and 78,734,302.60 is: 118,101,453.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,488,886.60 : 137,233,329.90 = 78,734,302.60 : x
  2. Step 2: Convert to fraction form
    91,488,886.60/137,233,329.90 = 78,734,302.60/x
  3. Step 3: Cross multiply
    91,488,886.60x = 137,233,329.90 × 78,734,302.60
  4. Step 4: Simplify right side
    91,488,886.60x = 10,804,970,523,152,228
  5. Step 5: Solve for x
    x = 10,804,970,523,152,228/91,488,886.60
  6. Step 6: Final answer
    x = 118,101,453.90

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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.