Home / 48,499,432,872.30-72,749,149,308.45-42,501,188,213.10

Finding the Fourth Proportional to 48,499,432,872.30, 72,749,149,308.45 and 42,501,188,213.10

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Solution

The fourth proportional to 48,499,432,872.30, 72,749,149,308.45 and 42,501,188,213.10 is: 63,751,782,319.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,499,432,872.30 : 72,749,149,308.45 = 42,501,188,213.10 : x
  2. Step 2: Convert to fraction form
    48,499,432,872.30/72,749,149,308.45 = 42,501,188,213.10/x
  3. Step 3: Cross multiply
    48,499,432,872.30x = 72,749,149,308.45 × 42,501,188,213.10
  4. Step 4: Simplify right side
    48,499,432,872.30x = 3,091,925,287,101,347,135,488
  5. Step 5: Solve for x
    x = 3,091,925,287,101,347,135,488/48,499,432,872.30
  6. Step 6: Final answer
    x = 63,751,782,319.65

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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.