Home / 112,373,678.46-155,055,829.17-62,798,204.79

Finding the Fourth Proportional to 112,373,678.46, 155,055,829.17 and 62,798,204.79

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Solution

The fourth proportional to 112,373,678.46, 155,055,829.17 and 62,798,204.79 is: 86,650,431.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,373,678.46 : 155,055,829.17 = 62,798,204.79 : x
  2. Step 2: Convert to fraction form
    112,373,678.46/155,055,829.17 = 62,798,204.79/x
  3. Step 3: Cross multiply
    112,373,678.46x = 155,055,829.17 × 62,798,204.79
  4. Step 4: Simplify right side
    112,373,678.46x = 9,737,227,714,100,914
  5. Step 5: Solve for x
    x = 9,737,227,714,100,914/112,373,678.46
  6. Step 6: Final answer
    x = 86,650,431.38

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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.