Home / 96,899,918.20-145,217,166.90-78,984,014.20

Finding the Fourth Proportional to 96,899,918.20, 145,217,166.90 and 78,984,014.20

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Solution

The fourth proportional to 96,899,918.20, 145,217,166.90 and 78,984,014.20 is: 118,367,847.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,899,918.20 : 145,217,166.90 = 78,984,014.20 : x
  2. Step 2: Convert to fraction form
    96,899,918.20/145,217,166.90 = 78,984,014.20/x
  3. Step 3: Cross multiply
    96,899,918.20x = 145,217,166.90 × 78,984,014.20
  4. Step 4: Simplify right side
    96,899,918.20x = 11,469,834,772,513,370
  5. Step 5: Solve for x
    x = 11,469,834,772,513,370/96,899,918.20
  6. Step 6: Final answer
    x = 118,367,847.83

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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.