Home / 289,745,764.20-434,618,646.30-95,687,130.60

Finding the Fourth Proportional to 289,745,764.20, 434,618,646.30 and 95,687,130.60

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Solution

The fourth proportional to 289,745,764.20, 434,618,646.30 and 95,687,130.60 is: 143,530,695.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,745,764.20 : 434,618,646.30 = 95,687,130.60 : x
  2. Step 2: Convert to fraction form
    289,745,764.20/434,618,646.30 = 95,687,130.60/x
  3. Step 3: Cross multiply
    289,745,764.20x = 434,618,646.30 × 95,687,130.60
  4. Step 4: Simplify right side
    289,745,764.20x = 41,587,411,169,703,304
  5. Step 5: Solve for x
    x = 41,587,411,169,703,304/289,745,764.20
  6. Step 6: Final answer
    x = 143,530,695.90

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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.