Home / 148,891,626.11-205,456,049.72-86,155,209.81

Finding the Fourth Proportional to 148,891,626.11, 205,456,049.72 and 86,155,209.81

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Solution

The fourth proportional to 148,891,626.11, 205,456,049.72 and 86,155,209.81 is: 118,885,860.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,891,626.11 : 205,456,049.72 = 86,155,209.81 : x
  2. Step 2: Convert to fraction form
    148,891,626.11/205,456,049.72 = 86,155,209.81/x
  3. Step 3: Cross multiply
    148,891,626.11x = 205,456,049.72 × 86,155,209.81
  4. Step 4: Simplify right side
    148,891,626.11x = 17,701,109,069,929,616
  5. Step 5: Solve for x
    x = 17,701,109,069,929,616/148,891,626.11
  6. Step 6: Final answer
    x = 118,885,860.36

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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.