Home / 91,476,010.20-137,214,015.30-46,126,378.20

Finding the Fourth Proportional to 91,476,010.20, 137,214,015.30 and 46,126,378.20

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Solution

The fourth proportional to 91,476,010.20, 137,214,015.30 and 46,126,378.20 is: 69,189,567.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,476,010.20 : 137,214,015.30 = 46,126,378.20 : x
  2. Step 2: Convert to fraction form
    91,476,010.20/137,214,015.30 = 46,126,378.20/x
  3. Step 3: Cross multiply
    91,476,010.20x = 137,214,015.30 × 46,126,378.20
  4. Step 4: Simplify right side
    91,476,010.20x = 6,329,185,564,068,387
  5. Step 5: Solve for x
    x = 6,329,185,564,068,387/91,476,010.20
  6. Step 6: Final answer
    x = 69,189,567.30

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Double scale
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Similar ratio
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1.5x scale

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.