Home / 209,035,023.38-288,484,468.90-125,406,286.10

Finding the Fourth Proportional to 209,035,023.38, 288,484,468.90 and 125,406,286.10

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Solution

The fourth proportional to 209,035,023.38, 288,484,468.90 and 125,406,286.10 is: 173,070,355.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,035,023.38 : 288,484,468.90 = 125,406,286.10 : x
  2. Step 2: Convert to fraction form
    209,035,023.38/288,484,468.90 = 125,406,286.10/x
  3. Step 3: Cross multiply
    209,035,023.38x = 288,484,468.90 × 125,406,286.10
  4. Step 4: Simplify right side
    209,035,023.38x = 36,177,765,842,279,944
  5. Step 5: Solve for x
    x = 36,177,765,842,279,944/209,035,023.38
  6. Step 6: Final answer
    x = 173,070,355.66

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1.5x scale

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.