Home / 112,336,386.03-155,024,422.76-62,776,759.79

Finding the Fourth Proportional to 112,336,386.03, 155,024,422.76 and 62,776,759.79

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Solution

The fourth proportional to 112,336,386.03, 155,024,422.76 and 62,776,759.79 is: 86,632,045.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,336,386.03 : 155,024,422.76 = 62,776,759.79 : x
  2. Step 2: Convert to fraction form
    112,336,386.03/155,024,422.76 = 62,776,759.79/x
  3. Step 3: Cross multiply
    112,336,386.03x = 155,024,422.76 × 62,776,759.79
  4. Step 4: Simplify right side
    112,336,386.03x = 9,731,930,948,569,748
  5. Step 5: Solve for x
    x = 9,731,930,948,569,748/112,336,386.03
  6. Step 6: Final answer
    x = 86,632,045.88

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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.