Home / 111,487,849.60-167,231,774.40-72,745,800.70

Finding the Fourth Proportional to 111,487,849.60, 167,231,774.40 and 72,745,800.70

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Solution

The fourth proportional to 111,487,849.60, 167,231,774.40 and 72,745,800.70 is: 109,118,701.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,487,849.60 : 167,231,774.40 = 72,745,800.70 : x
  2. Step 2: Convert to fraction form
    111,487,849.60/167,231,774.40 = 72,745,800.70/x
  3. Step 3: Cross multiply
    111,487,849.60x = 167,231,774.40 × 72,745,800.70
  4. Step 4: Simplify right side
    111,487,849.60x = 12,165,409,331,209,764
  5. Step 5: Solve for x
    x = 12,165,409,331,209,764/111,487,849.60
  6. Step 6: Final answer
    x = 109,118,701.05

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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.