Home / 74,016,045.90-111,024,068.85-72,756,333.90

Finding the Fourth Proportional to 74,016,045.90, 111,024,068.85 and 72,756,333.90

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Solution

The fourth proportional to 74,016,045.90, 111,024,068.85 and 72,756,333.90 is: 109,134,500.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,016,045.90 : 111,024,068.85 = 72,756,333.90 : x
  2. Step 2: Convert to fraction form
    74,016,045.90/111,024,068.85 = 72,756,333.90/x
  3. Step 3: Cross multiply
    74,016,045.90x = 111,024,068.85 × 72,756,333.90
  4. Step 4: Simplify right side
    74,016,045.90x = 8,077,704,224,187,189
  5. Step 5: Solve for x
    x = 8,077,704,224,187,189/74,016,045.90
  6. Step 6: Final answer
    x = 109,134,500.85

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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.