Home / 67,158,004.85-100,737,007.28-52,545,345.65

Finding the Fourth Proportional to 67,158,004.85, 100,737,007.28 and 52,545,345.65

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Solution

The fourth proportional to 67,158,004.85, 100,737,007.28 and 52,545,345.65 is: 78,818,018.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,158,004.85 : 100,737,007.28 = 52,545,345.65 : x
  2. Step 2: Convert to fraction form
    67,158,004.85/100,737,007.28 = 52,545,345.65/x
  3. Step 3: Cross multiply
    67,158,004.85x = 100,737,007.28 × 52,545,345.65
  4. Step 4: Simplify right side
    67,158,004.85x = 5,293,260,867,011,440
  5. Step 5: Solve for x
    x = 5,293,260,867,011,440/67,158,004.85
  6. Step 6: Final answer
    x = 78,818,018.48

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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.