Home / 100,791,139.20-151,214,702.40-43,310,947.20

Finding the Fourth Proportional to 100,791,139.20, 151,214,702.40 and 43,310,947.20

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Solution

The fourth proportional to 100,791,139.20, 151,214,702.40 and 43,310,947.20 is: 64,978,449.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,791,139.20 : 151,214,702.40 = 43,310,947.20 : x
  2. Step 2: Convert to fraction form
    100,791,139.20/151,214,702.40 = 43,310,947.20/x
  3. Step 3: Cross multiply
    100,791,139.20x = 151,214,702.40 × 43,310,947.20
  4. Step 4: Simplify right side
    100,791,139.20x = 6,549,251,991,510,114
  5. Step 5: Solve for x
    x = 6,549,251,991,510,114/100,791,139.20
  6. Step 6: Final answer
    x = 64,978,449.93

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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.