Home / 67,068,000.70-100,602,001.05-66,642,847.90

Finding the Fourth Proportional to 67,068,000.70, 100,602,001.05 and 66,642,847.90

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Solution

The fourth proportional to 67,068,000.70, 100,602,001.05 and 66,642,847.90 is: 99,964,271.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,068,000.70 : 100,602,001.05 = 66,642,847.90 : x
  2. Step 2: Convert to fraction form
    67,068,000.70/100,602,001.05 = 66,642,847.90/x
  3. Step 3: Cross multiply
    67,068,000.70x = 100,602,001.05 × 66,642,847.90
  4. Step 4: Simplify right side
    67,068,000.70x = 6,704,403,854,410,790
  5. Step 5: Solve for x
    x = 6,704,403,854,410,790/67,068,000.70
  6. Step 6: Final answer
    x = 99,964,271.85

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1.5x scale

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.