Home / 80,950,483.58-111,711,667.37-43,780,763.86

Finding the Fourth Proportional to 80,950,483.58, 111,711,667.37 and 43,780,763.86

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Solution

The fourth proportional to 80,950,483.58, 111,711,667.37 and 43,780,763.86 is: 60,417,454.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,950,483.58 : 111,711,667.37 = 43,780,763.86 : x
  2. Step 2: Convert to fraction form
    80,950,483.58/111,711,667.37 = 43,780,763.86/x
  3. Step 3: Cross multiply
    80,950,483.58x = 111,711,667.37 × 43,780,763.86
  4. Step 4: Simplify right side
    80,950,483.58x = 4,890,822,129,034,654
  5. Step 5: Solve for x
    x = 4,890,822,129,034,654/80,950,483.58
  6. Step 6: Final answer
    x = 60,417,454.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.