Home / 137,712,246.83-206,681,301.45-136,636,078.80

Finding the Fourth Proportional to 137,712,246.83, 206,681,301.45 and 136,636,078.80

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Solution

The fourth proportional to 137,712,246.83, 206,681,301.45 and 136,636,078.80 is: 205,066,166.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,712,246.83 : 206,681,301.45 = 136,636,078.80 : x
  2. Step 2: Convert to fraction form
    137,712,246.83/206,681,301.45 = 136,636,078.80/x
  3. Step 3: Cross multiply
    137,712,246.83x = 206,681,301.45 × 136,636,078.80
  4. Step 4: Simplify right side
    137,712,246.83x = 28,240,122,591,408,756
  5. Step 5: Solve for x
    x = 28,240,122,591,408,756/137,712,246.83
  6. Step 6: Final answer
    x = 205,066,166.90

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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.