Home / 99,830,735.28-137,773,543.68-55,175,746.77

Finding the Fourth Proportional to 99,830,735.28, 137,773,543.68 and 55,175,746.77

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Solution

The fourth proportional to 99,830,735.28, 137,773,543.68 and 55,175,746.77 is: 76,146,470.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,830,735.28 : 137,773,543.68 = 55,175,746.77 : x
  2. Step 2: Convert to fraction form
    99,830,735.28/137,773,543.68 = 55,175,746.77/x
  3. Step 3: Cross multiply
    99,830,735.28x = 137,773,543.68 × 55,175,746.77
  4. Step 4: Simplify right side
    99,830,735.28x = 7,601,758,157,693,215
  5. Step 5: Solve for x
    x = 7,601,758,157,693,215/99,830,735.28
  6. Step 6: Final answer
    x = 76,146,470.69

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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.