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Finding the Fourth Proportional to 58,149,035.80, 87,034,596.90 and 58,149,035.80

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Solution

The fourth proportional to 58,149,035.80, 87,034,596.90 and 58,149,035.80 is: 87,034,596.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,149,035.80 : 87,034,596.90 = 58,149,035.80 : x
  2. Step 2: Convert to fraction form
    58,149,035.80/87,034,596.90 = 58,149,035.80/x
  3. Step 3: Cross multiply
    58,149,035.80x = 87,034,596.90 × 58,149,035.80
  4. Step 4: Simplify right side
    58,149,035.80x = 5,060,977,890,976,669
  5. Step 5: Solve for x
    x = 5,060,977,890,976,669/58,149,035.80
  6. Step 6: Final answer
    x = 87,034,596.90

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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.