Home / 67,155,104.40-100,732,656.60-65,662,112.40

Finding the Fourth Proportional to 67,155,104.40, 100,732,656.60 and 65,662,112.40

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Solution

The fourth proportional to 67,155,104.40, 100,732,656.60 and 65,662,112.40 is: 98,493,168.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,155,104.40 : 100,732,656.60 = 65,662,112.40 : x
  2. Step 2: Convert to fraction form
    67,155,104.40/100,732,656.60 = 65,662,112.40/x
  3. Step 3: Cross multiply
    67,155,104.40x = 100,732,656.60 × 65,662,112.40
  4. Step 4: Simplify right side
    67,155,104.40x = 6,614,319,020,019,801
  5. Step 5: Solve for x
    x = 6,614,319,020,019,801/67,155,104.40
  6. Step 6: Final answer
    x = 98,493,168.60

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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.