Home / 90,696,010.60-136,044,015.90-49,739,624.20

Finding the Fourth Proportional to 90,696,010.60, 136,044,015.90 and 49,739,624.20

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Solution

The fourth proportional to 90,696,010.60, 136,044,015.90 and 49,739,624.20 is: 74,609,436.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,696,010.60 : 136,044,015.90 = 49,739,624.20 : x
  2. Step 2: Convert to fraction form
    90,696,010.60/136,044,015.90 = 49,739,624.20/x
  3. Step 3: Cross multiply
    90,696,010.60x = 136,044,015.90 × 49,739,624.20
  4. Step 4: Simplify right side
    90,696,010.60x = 6,766,778,225,524,825
  5. Step 5: Solve for x
    x = 6,766,778,225,524,825/90,696,010.60
  6. Step 6: Final answer
    x = 74,609,436.30

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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.