Home / 125,513,157.18-188,161,909.29-43,621,396.86

Finding the Fourth Proportional to 125,513,157.18, 188,161,909.29 and 43,621,396.86

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Solution

The fourth proportional to 125,513,157.18, 188,161,909.29 and 43,621,396.86 is: 65,394,620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,513,157.18 : 188,161,909.29 = 43,621,396.86 : x
  2. Step 2: Convert to fraction form
    125,513,157.18/188,161,909.29 = 43,621,396.86/x
  3. Step 3: Cross multiply
    125,513,157.18x = 188,161,909.29 × 43,621,396.86
  4. Step 4: Simplify right side
    125,513,157.18x = 8,207,885,319,074,410
  5. Step 5: Solve for x
    x = 8,207,885,319,074,410/125,513,157.18
  6. Step 6: Final answer
    x = 65,394,620.80

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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.