Home / 100,791,019.20-151,214,522.40-43,310,827.20

Finding the Fourth Proportional to 100,791,019.20, 151,214,522.40 and 43,310,827.20

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Solution

The fourth proportional to 100,791,019.20, 151,214,522.40 and 43,310,827.20 is: 64,978,269.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,791,019.20 : 151,214,522.40 = 43,310,827.20 : x
  2. Step 2: Convert to fraction form
    100,791,019.20/151,214,522.40 = 43,310,827.20/x
  3. Step 3: Cross multiply
    100,791,019.20x = 151,214,522.40 × 43,310,827.20
  4. Step 4: Simplify right side
    100,791,019.20x = 6,549,226,049,796,930
  5. Step 5: Solve for x
    x = 6,549,226,049,796,930/100,791,019.20
  6. Step 6: Final answer
    x = 64,978,269.91

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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.