Home / 118,786,494.60-163,948,353.48-77,461,642.44

Finding the Fourth Proportional to 118,786,494.60, 163,948,353.48 and 77,461,642.44

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Solution

The fourth proportional to 118,786,494.60, 163,948,353.48 and 77,461,642.44 is: 106,912,059.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,786,494.60 : 163,948,353.48 = 77,461,642.44 : x
  2. Step 2: Convert to fraction form
    118,786,494.60/163,948,353.48 = 77,461,642.44/x
  3. Step 3: Cross multiply
    118,786,494.60x = 163,948,353.48 × 77,461,642.44
  4. Step 4: Simplify right side
    118,786,494.60x = 12,699,708,735,894,488
  5. Step 5: Solve for x
    x = 12,699,708,735,894,488/118,786,494.60
  6. Step 6: Final answer
    x = 106,912,059.14

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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.