Home / 147,009,649.62-220,520,559.20-43,378,854.69

Finding the Fourth Proportional to 147,009,649.62, 220,520,559.20 and 43,378,854.69

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Solution

The fourth proportional to 147,009,649.62, 220,520,559.20 and 43,378,854.69 is: 65,070,077.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,009,649.62 : 220,520,559.20 = 43,378,854.69 : x
  2. Step 2: Convert to fraction form
    147,009,649.62/220,520,559.20 = 43,378,854.69/x
  3. Step 3: Cross multiply
    147,009,649.62x = 220,520,559.20 × 43,378,854.69
  4. Step 4: Simplify right side
    147,009,649.62x = 9,565,929,293,477,448
  5. Step 5: Solve for x
    x = 9,565,929,293,477,448/147,009,649.62
  6. Step 6: Final answer
    x = 65,070,077.50

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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.