Home / 65,663,608.30-98,495,412.45-20,219,497.90

Finding the Fourth Proportional to 65,663,608.30, 98,495,412.45 and 20,219,497.90

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Solution

The fourth proportional to 65,663,608.30, 98,495,412.45 and 20,219,497.90 is: 30,329,246.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,663,608.30 : 98,495,412.45 = 20,219,497.90 : x
  2. Step 2: Convert to fraction form
    65,663,608.30/98,495,412.45 = 20,219,497.90/x
  3. Step 3: Cross multiply
    65,663,608.30x = 98,495,412.45 × 20,219,497.90
  4. Step 4: Simplify right side
    65,663,608.30x = 1,991,527,785,192,408.75
  5. Step 5: Solve for x
    x = 1,991,527,785,192,408.75/65,663,608.30
  6. Step 6: Final answer
    x = 30,329,246.85

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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.