Home / 64,915,543.60-97,373,315.40-40,729,073.20

Finding the Fourth Proportional to 64,915,543.60, 97,373,315.40 and 40,729,073.20

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Solution

The fourth proportional to 64,915,543.60, 97,373,315.40 and 40,729,073.20 is: 61,093,609.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,915,543.60 : 97,373,315.40 = 40,729,073.20 : x
  2. Step 2: Convert to fraction form
    64,915,543.60/97,373,315.40 = 40,729,073.20/x
  3. Step 3: Cross multiply
    64,915,543.60x = 97,373,315.40 × 40,729,073.20
  4. Step 4: Simplify right side
    64,915,543.60x = 3,965,924,890,653,288
  5. Step 5: Solve for x
    x = 3,965,924,890,653,288/64,915,543.60
  6. Step 6: Final answer
    x = 61,093,609.80

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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.