Home / 124,768,015.90-187,152,023.85-43,997,148.70

Finding the Fourth Proportional to 124,768,015.90, 187,152,023.85 and 43,997,148.70

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Solution

The fourth proportional to 124,768,015.90, 187,152,023.85 and 43,997,148.70 is: 65,995,723.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,768,015.90 : 187,152,023.85 = 43,997,148.70 : x
  2. Step 2: Convert to fraction form
    124,768,015.90/187,152,023.85 = 43,997,148.70/x
  3. Step 3: Cross multiply
    124,768,015.90x = 187,152,023.85 × 43,997,148.70
  4. Step 4: Simplify right side
    124,768,015.90x = 8,234,155,422,834,397
  5. Step 5: Solve for x
    x = 8,234,155,422,834,397/124,768,015.90
  6. Step 6: Final answer
    x = 65,995,723.05

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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.