Home / 107,892,574.40-161,838,861.60-61,787,115.20

Finding the Fourth Proportional to 107,892,574.40, 161,838,861.60 and 61,787,115.20

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Solution

The fourth proportional to 107,892,574.40, 161,838,861.60 and 61,787,115.20 is: 92,680,672.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,892,574.40 : 161,838,861.60 = 61,787,115.20 : x
  2. Step 2: Convert to fraction form
    107,892,574.40/161,838,861.60 = 61,787,115.20/x
  3. Step 3: Cross multiply
    107,892,574.40x = 161,838,861.60 × 61,787,115.20
  4. Step 4: Simplify right side
    107,892,574.40x = 9,999,556,385,516,056
  5. Step 5: Solve for x
    x = 9,999,556,385,516,056/107,892,574.40
  6. Step 6: Final answer
    x = 92,680,672.80

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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.