Home / 48,391,990.40-72,587,985.60-21,465,646.40

Finding the Fourth Proportional to 48,391,990.40, 72,587,985.60 and 21,465,646.40

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Solution

The fourth proportional to 48,391,990.40, 72,587,985.60 and 21,465,646.40 is: 32,198,469.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,391,990.40 : 72,587,985.60 = 21,465,646.40 : x
  2. Step 2: Convert to fraction form
    48,391,990.40/72,587,985.60 = 21,465,646.40/x
  3. Step 3: Cross multiply
    48,391,990.40x = 72,587,985.60 × 21,465,646.40
  4. Step 4: Simplify right side
    48,391,990.40x = 1,558,148,031,777,891.50
  5. Step 5: Solve for x
    x = 1,558,148,031,777,891.50/48,391,990.40
  6. Step 6: Final answer
    x = 32,198,469.60

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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.