Home / 100,791,140.70-151,214,704.65-43,310,948.70

Finding the Fourth Proportional to 100,791,140.70, 151,214,704.65 and 43,310,948.70

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Solution

The fourth proportional to 100,791,140.70, 151,214,704.65 and 43,310,948.70 is: 64,978,452.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,791,140.70 : 151,214,704.65 = 43,310,948.70 : x
  2. Step 2: Convert to fraction form
    100,791,140.70/151,214,704.65 = 43,310,948.70/x
  3. Step 3: Cross multiply
    100,791,140.70x = 151,214,704.65 × 43,310,948.70
  4. Step 4: Simplify right side
    100,791,140.70x = 6,549,252,315,781,802
  5. Step 5: Solve for x
    x = 6,549,252,315,781,802/100,791,140.70
  6. Step 6: Final answer
    x = 64,978,452.18

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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.