Home / 80,248,647.92-120,335,026.25-31,087,526.96

Finding the Fourth Proportional to 80,248,647.92, 120,335,026.25 and 31,087,526.96

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Solution

The fourth proportional to 80,248,647.92, 120,335,026.25 and 31,087,526.96 is: 46,616,590.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,248,647.92 : 120,335,026.25 = 31,087,526.96 : x
  2. Step 2: Convert to fraction form
    80,248,647.92/120,335,026.25 = 31,087,526.96/x
  3. Step 3: Cross multiply
    80,248,647.92x = 120,335,026.25 × 31,087,526.96
  4. Step 4: Simplify right side
    80,248,647.92x = 3,740,918,372,881,760.50
  5. Step 5: Solve for x
    x = 3,740,918,372,881,760.50/80,248,647.92
  6. Step 6: Final answer
    x = 46,616,590.68

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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.