Home / 90,695,586.60-136,043,379.90-49,739,200.20

Finding the Fourth Proportional to 90,695,586.60, 136,043,379.90 and 49,739,200.20

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Solution

The fourth proportional to 90,695,586.60, 136,043,379.90 and 49,739,200.20 is: 74,608,800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,695,586.60 : 136,043,379.90 = 49,739,200.20 : x
  2. Step 2: Convert to fraction form
    90,695,586.60/136,043,379.90 = 49,739,200.20/x
  3. Step 3: Cross multiply
    90,695,586.60x = 136,043,379.90 × 49,739,200.20
  4. Step 4: Simplify right side
    90,695,586.60x = 6,766,688,908,730,757
  5. Step 5: Solve for x
    x = 6,766,688,908,730,757/90,695,586.60
  6. Step 6: Final answer
    x = 74,608,800.30

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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.