Home / 156,436,078.60-234,710,105.10-65,587,515.40

Finding the Fourth Proportional to 156,436,078.60, 234,710,105.10 and 65,587,515.40

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Solution

The fourth proportional to 156,436,078.60, 234,710,105.10 and 65,587,515.40 is: 98,404,746.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,436,078.60 : 234,710,105.10 = 65,587,515.40 : x
  2. Step 2: Convert to fraction form
    156,436,078.60/234,710,105.10 = 65,587,515.40/x
  3. Step 3: Cross multiply
    156,436,078.60x = 234,710,105.10 × 65,587,515.40
  4. Step 4: Simplify right side
    156,436,078.60x = 15,394,052,632,781,868
  5. Step 5: Solve for x
    x = 15,394,052,632,781,868/156,436,078.60
  6. Step 6: Final answer
    x = 98,404,746.34

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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.