Home / 71,209,062.72-106,857,450.72-28,070,925.12

Finding the Fourth Proportional to 71,209,062.72, 106,857,450.72 and 28,070,925.12

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Solution

The fourth proportional to 71,209,062.72, 106,857,450.72 and 28,070,925.12 is: 42,123,676.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,209,062.72 : 106,857,450.72 = 28,070,925.12 : x
  2. Step 2: Convert to fraction form
    71,209,062.72/106,857,450.72 = 28,070,925.12/x
  3. Step 3: Cross multiply
    71,209,062.72x = 106,857,450.72 × 28,070,925.12
  4. Step 4: Simplify right side
    71,209,062.72x = 2,999,587,497,675,210
  5. Step 5: Solve for x
    x = 2,999,587,497,675,210/71,209,062.72
  6. Step 6: Final answer
    x = 42,123,676.16

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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.