Home / 65,549,416.20-98,436,098.70-42,930,587.40

Finding the Fourth Proportional to 65,549,416.20, 98,436,098.70 and 42,930,587.40

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Solution

The fourth proportional to 65,549,416.20, 98,436,098.70 and 42,930,587.40 is: 64,469,217.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,549,416.20 : 98,436,098.70 = 42,930,587.40 : x
  2. Step 2: Convert to fraction form
    65,549,416.20/98,436,098.70 = 42,930,587.40/x
  3. Step 3: Cross multiply
    65,549,416.20x = 98,436,098.70 × 42,930,587.40
  4. Step 4: Simplify right side
    65,549,416.20x = 4,225,919,538,555,376.50
  5. Step 5: Solve for x
    x = 4,225,919,538,555,376.50/65,549,416.20
  6. Step 6: Final answer
    x = 64,469,217.02

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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.