Home / 99,168,066.30-148,752,099.45-83,295,695.10

Finding the Fourth Proportional to 99,168,066.30, 148,752,099.45 and 83,295,695.10

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Solution

The fourth proportional to 99,168,066.30, 148,752,099.45 and 83,295,695.10 is: 124,943,542.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,168,066.30 : 148,752,099.45 = 83,295,695.10 : x
  2. Step 2: Convert to fraction form
    99,168,066.30/148,752,099.45 = 83,295,695.10/x
  3. Step 3: Cross multiply
    99,168,066.30x = 148,752,099.45 × 83,295,695.10
  4. Step 4: Simplify right side
    99,168,066.30x = 12,390,409,521,272,076
  5. Step 5: Solve for x
    x = 12,390,409,521,272,076/99,168,066.30
  6. Step 6: Final answer
    x = 124,943,542.65

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Similar ratio
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1.5x scale

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.