Home / 67,202,001.20-100,817,699.16-21,768,388.40

Finding the Fourth Proportional to 67,202,001.20, 100,817,699.16 and 21,768,388.40

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Solution

The fourth proportional to 67,202,001.20, 100,817,699.16 and 21,768,388.40 is: 32,657,343.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,202,001.20 : 100,817,699.16 = 21,768,388.40 : x
  2. Step 2: Convert to fraction form
    67,202,001.20/100,817,699.16 = 21,768,388.40/x
  3. Step 3: Cross multiply
    67,202,001.20x = 100,817,699.16 × 21,768,388.40
  4. Step 4: Simplify right side
    67,202,001.20x = 2,194,638,832,909,233.50
  5. Step 5: Solve for x
    x = 2,194,638,832,909,233.50/67,202,001.20
  6. Step 6: Final answer
    x = 32,657,343.44

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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.