Home / 72,982,855.90-100,179,853.89-64,537,886.62

Finding the Fourth Proportional to 72,982,855.90, 100,179,853.89 and 64,537,886.62

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Solution

The fourth proportional to 72,982,855.90, 100,179,853.89 and 64,537,886.62 is: 88,587,874.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,982,855.90 : 100,179,853.89 = 64,537,886.62 : x
  2. Step 2: Convert to fraction form
    72,982,855.90/100,179,853.89 = 64,537,886.62/x
  3. Step 3: Cross multiply
    72,982,855.90x = 100,179,853.89 × 64,537,886.62
  4. Step 4: Simplify right side
    72,982,855.90x = 6,465,396,051,137,398
  5. Step 5: Solve for x
    x = 6,465,396,051,137,398/72,982,855.90
  6. Step 6: Final answer
    x = 88,587,874.12

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.