Home / 88,957,280.16-122,760,108.90-49,799,378.88

Finding the Fourth Proportional to 88,957,280.16, 122,760,108.90 and 49,799,378.88

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Solution

The fourth proportional to 88,957,280.16, 122,760,108.90 and 49,799,378.88 is: 68,722,617.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,957,280.16 : 122,760,108.90 = 49,799,378.88 : x
  2. Step 2: Convert to fraction form
    88,957,280.16/122,760,108.90 = 49,799,378.88/x
  3. Step 3: Cross multiply
    88,957,280.16x = 122,760,108.90 × 49,799,378.88
  4. Step 4: Simplify right side
    88,957,280.16x = 6,113,377,174,461,161
  5. Step 5: Solve for x
    x = 6,113,377,174,461,161/88,957,280.16
  6. Step 6: Final answer
    x = 68,722,617.91

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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.