Home / 67,376,218.30-101,064,327.45-66,809,347.90

Finding the Fourth Proportional to 67,376,218.30, 101,064,327.45 and 66,809,347.90

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Solution

The fourth proportional to 67,376,218.30, 101,064,327.45 and 66,809,347.90 is: 100,214,021.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,376,218.30 : 101,064,327.45 = 66,809,347.90 : x
  2. Step 2: Convert to fraction form
    67,376,218.30/101,064,327.45 = 66,809,347.90/x
  3. Step 3: Cross multiply
    67,376,218.30x = 101,064,327.45 × 66,809,347.90
  4. Step 4: Simplify right side
    67,376,218.30x = 6,752,041,812,886,570
  5. Step 5: Solve for x
    x = 6,752,041,812,886,570/67,376,218.30
  6. Step 6: Final answer
    x = 100,214,021.85

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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.