Home / 78,605,780.67-108,476,407.35-45,585,607.41

Finding the Fourth Proportional to 78,605,780.67, 108,476,407.35 and 45,585,607.41

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Solution

The fourth proportional to 78,605,780.67, 108,476,407.35 and 45,585,607.41 is: 62,908,387.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,605,780.67 : 108,476,407.35 = 45,585,607.41 : x
  2. Step 2: Convert to fraction form
    78,605,780.67/108,476,407.35 = 45,585,607.41/x
  3. Step 3: Cross multiply
    78,605,780.67x = 108,476,407.35 × 45,585,607.41
  4. Step 4: Simplify right side
    78,605,780.67x = 4,944,962,918,704,338
  5. Step 5: Solve for x
    x = 4,944,962,918,704,338/78,605,780.67
  6. Step 6: Final answer
    x = 62,908,387.61

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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.