Home / 90,296,861.16-124,608,983.54-49,044,048.78

Finding the Fourth Proportional to 90,296,861.16, 124,608,983.54 and 49,044,048.78

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Solution

The fourth proportional to 90,296,861.16, 124,608,983.54 and 49,044,048.78 is: 67,680,415.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,296,861.16 : 124,608,983.54 = 49,044,048.78 : x
  2. Step 2: Convert to fraction form
    90,296,861.16/124,608,983.54 = 49,044,048.78/x
  3. Step 3: Cross multiply
    90,296,861.16x = 124,608,983.54 × 49,044,048.78
  4. Step 4: Simplify right side
    90,296,861.16x = 6,111,329,067,521,854
  5. Step 5: Solve for x
    x = 6,111,329,067,521,854/90,296,861.16
  6. Step 6: Final answer
    x = 67,680,415.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.