Home / 125,532,987.20-188,299,480.80-44,756,590.40

Finding the Fourth Proportional to 125,532,987.20, 188,299,480.80 and 44,756,590.40

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Solution

The fourth proportional to 125,532,987.20, 188,299,480.80 and 44,756,590.40 is: 67,134,885.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,532,987.20 : 188,299,480.80 = 44,756,590.40 : x
  2. Step 2: Convert to fraction form
    125,532,987.20/188,299,480.80 = 44,756,590.40/x
  3. Step 3: Cross multiply
    125,532,987.20x = 188,299,480.80 × 44,756,590.40
  4. Step 4: Simplify right side
    125,532,987.20x = 8,427,642,734,698,265
  5. Step 5: Solve for x
    x = 8,427,642,734,698,265/125,532,987.20
  6. Step 6: Final answer
    x = 67,134,885.60

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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.