Home / 99,676,488.13-149,514,104.80-53,640,042.45

Finding the Fourth Proportional to 99,676,488.13, 149,514,104.80 and 53,640,042.45

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Solution

The fourth proportional to 99,676,488.13, 149,514,104.80 and 53,640,042.45 is: 80,459,726.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,676,488.13 : 149,514,104.80 = 53,640,042.45 : x
  2. Step 2: Convert to fraction form
    99,676,488.13/149,514,104.80 = 53,640,042.45/x
  3. Step 3: Cross multiply
    99,676,488.13x = 149,514,104.80 × 53,640,042.45
  4. Step 4: Simplify right side
    99,676,488.13x = 8,019,942,927,550,664
  5. Step 5: Solve for x
    x = 8,019,942,927,550,664/99,676,488.13
  6. Step 6: Final answer
    x = 80,459,726.04

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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.