Home / 96,992,433.40-145,488,650.10-86,469,901.60

Finding the Fourth Proportional to 96,992,433.40, 145,488,650.10 and 86,469,901.60

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Solution

The fourth proportional to 96,992,433.40, 145,488,650.10 and 86,469,901.60 is: 129,704,852.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,992,433.40 : 145,488,650.10 = 86,469,901.60 : x
  2. Step 2: Convert to fraction form
    96,992,433.40/145,488,650.10 = 86,469,901.60/x
  3. Step 3: Cross multiply
    96,992,433.40x = 145,488,650.10 × 86,469,901.60
  4. Step 4: Simplify right side
    96,992,433.40x = 12,580,389,258,063,828
  5. Step 5: Solve for x
    x = 12,580,389,258,063,828/96,992,433.40
  6. Step 6: Final answer
    x = 129,704,852.40

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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.