Home / 74,934,518.42-112,227,177.11-72,865,884.32

Finding the Fourth Proportional to 74,934,518.42, 112,227,177.11 and 72,865,884.32

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Solution

The fourth proportional to 74,934,518.42, 112,227,177.11 and 72,865,884.32 is: 109,129,045.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,934,518.42 : 112,227,177.11 = 72,865,884.32 : x
  2. Step 2: Convert to fraction form
    74,934,518.42/112,227,177.11 = 72,865,884.32/x
  3. Step 3: Cross multiply
    74,934,518.42x = 112,227,177.11 × 72,865,884.32
  4. Step 4: Simplify right side
    74,934,518.42x = 8,177,532,504,773,651
  5. Step 5: Solve for x
    x = 8,177,532,504,773,651/74,934,518.42
  6. Step 6: Final answer
    x = 109,129,045.97

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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.