Home / 96,770,138.60-145,155,207.90-86,916,391.40

Finding the Fourth Proportional to 96,770,138.60, 145,155,207.90 and 86,916,391.40

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Solution

The fourth proportional to 96,770,138.60, 145,155,207.90 and 86,916,391.40 is: 130,374,587.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,770,138.60 : 145,155,207.90 = 86,916,391.40 : x
  2. Step 2: Convert to fraction form
    96,770,138.60/145,155,207.90 = 86,916,391.40/x
  3. Step 3: Cross multiply
    96,770,138.60x = 145,155,207.90 × 86,916,391.40
  4. Step 4: Simplify right side
    96,770,138.60x = 12,616,366,863,584,774
  5. Step 5: Solve for x
    x = 12,616,366,863,584,774/96,770,138.60
  6. Step 6: Final answer
    x = 130,374,587.10

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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.