Home / 66,827,566.08-100,253,894.40-21,377,157.12

Finding the Fourth Proportional to 66,827,566.08, 100,253,894.40 and 21,377,157.12

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Solution

The fourth proportional to 66,827,566.08, 100,253,894.40 and 21,377,157.12 is: 32,069,748.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,827,566.08 : 100,253,894.40 = 21,377,157.12 : x
  2. Step 2: Convert to fraction form
    66,827,566.08/100,253,894.40 = 21,377,157.12/x
  3. Step 3: Cross multiply
    66,827,566.08x = 100,253,894.40 × 21,377,157.12
  4. Step 4: Simplify right side
    66,827,566.08x = 2,143,143,252,480,688.25
  5. Step 5: Solve for x
    x = 2,143,143,252,480,688.25/66,827,566.08
  6. Step 6: Final answer
    x = 32,069,748.73

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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.