Home / 99,845,108.64-137,785,958.10-55,792,151.28

Finding the Fourth Proportional to 99,845,108.64, 137,785,958.10 and 55,792,151.28

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Solution

The fourth proportional to 99,845,108.64, 137,785,958.10 and 55,792,151.28 is: 76,993,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,845,108.64 : 137,785,958.10 = 55,792,151.28 : x
  2. Step 2: Convert to fraction form
    99,845,108.64/137,785,958.10 = 55,792,151.28/x
  3. Step 3: Cross multiply
    99,845,108.64x = 137,785,958.10 × 55,792,151.28
  4. Step 4: Simplify right side
    99,845,108.64x = 7,687,375,018,574,941
  5. Step 5: Solve for x
    x = 7,687,375,018,574,941/99,845,108.64
  6. Step 6: Final answer
    x = 76,993,005.70

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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.