Home / 147,112,329.20-220,768,026.60-66,291,695.60

Finding the Fourth Proportional to 147,112,329.20, 220,768,026.60 and 66,291,695.60

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Solution

The fourth proportional to 147,112,329.20, 220,768,026.60 and 66,291,695.60 is: 99,482,394.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,112,329.20 : 220,768,026.60 = 66,291,695.60 : x
  2. Step 2: Convert to fraction form
    147,112,329.20/220,768,026.60 = 66,291,695.60/x
  3. Step 3: Cross multiply
    147,112,329.20x = 220,768,026.60 × 66,291,695.60
  4. Step 4: Simplify right side
    147,112,329.20x = 14,635,086,817,579,902
  5. Step 5: Solve for x
    x = 14,635,086,817,579,902/147,112,329.20
  6. Step 6: Final answer
    x = 99,482,394.83

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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.