Home / 75,281,704.34-112,913,586.12-20,699,836.52

Finding the Fourth Proportional to 75,281,704.34, 112,913,586.12 and 20,699,836.52

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Solution

The fourth proportional to 75,281,704.34, 112,913,586.12 and 20,699,836.52 is: 31,047,288.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,281,704.34 : 112,913,586.12 = 20,699,836.52 : x
  2. Step 2: Convert to fraction form
    75,281,704.34/112,913,586.12 = 20,699,836.52/x
  3. Step 3: Cross multiply
    75,281,704.34x = 112,913,586.12 × 20,699,836.52
  4. Step 4: Simplify right side
    75,281,704.34x = 2,337,292,773,570,941
  5. Step 5: Solve for x
    x = 2,337,292,773,570,941/75,281,704.34
  6. Step 6: Final answer
    x = 31,047,288.24

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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.