Home / 99,164,042.40-148,746,063.60-76,205,791.20

Finding the Fourth Proportional to 99,164,042.40, 148,746,063.60 and 76,205,791.20

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Solution

The fourth proportional to 99,164,042.40, 148,746,063.60 and 76,205,791.20 is: 114,308,686.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,164,042.40 : 148,746,063.60 = 76,205,791.20 : x
  2. Step 2: Convert to fraction form
    99,164,042.40/148,746,063.60 = 76,205,791.20/x
  3. Step 3: Cross multiply
    99,164,042.40x = 148,746,063.60 × 76,205,791.20
  4. Step 4: Simplify right side
    99,164,042.40x = 11,335,311,464,523,520
  5. Step 5: Solve for x
    x = 11,335,311,464,523,520/99,164,042.40
  6. Step 6: Final answer
    x = 114,308,686.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.