Home / 43,121,204.40-64,681,806.60-40,003,417.20

Finding the Fourth Proportional to 43,121,204.40, 64,681,806.60 and 40,003,417.20

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Solution

The fourth proportional to 43,121,204.40, 64,681,806.60 and 40,003,417.20 is: 60,005,125.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,121,204.40 : 64,681,806.60 = 40,003,417.20 : x
  2. Step 2: Convert to fraction form
    43,121,204.40/64,681,806.60 = 40,003,417.20/x
  3. Step 3: Cross multiply
    43,121,204.40x = 64,681,806.60 × 40,003,417.20
  4. Step 4: Simplify right side
    43,121,204.40x = 2,587,493,294,669,514
  5. Step 5: Solve for x
    x = 2,587,493,294,669,514/43,121,204.40
  6. Step 6: Final answer
    x = 60,005,125.80

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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.