Home / 67,070,335.35-100,605,377.46-21,015,730.08

Finding the Fourth Proportional to 67,070,335.35, 100,605,377.46 and 21,015,730.08

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Solution

The fourth proportional to 67,070,335.35, 100,605,377.46 and 21,015,730.08 is: 31,523,555.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,070,335.35 : 100,605,377.46 = 21,015,730.08 : x
  2. Step 2: Convert to fraction form
    67,070,335.35/100,605,377.46 = 21,015,730.08/x
  3. Step 3: Cross multiply
    67,070,335.35x = 100,605,377.46 × 21,015,730.08
  4. Step 4: Simplify right side
    67,070,335.35x = 2,114,295,457,295,875.75
  5. Step 5: Solve for x
    x = 2,114,295,457,295,875.75/67,070,335.35
  6. Step 6: Final answer
    x = 31,523,555.78

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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.