Home / 97,085,074.80-145,627,612.20-89,694,764.40

Finding the Fourth Proportional to 97,085,074.80, 145,627,612.20 and 89,694,764.40

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Solution

The fourth proportional to 97,085,074.80, 145,627,612.20 and 89,694,764.40 is: 134,542,146.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,085,074.80 : 145,627,612.20 = 89,694,764.40 : x
  2. Step 2: Convert to fraction form
    97,085,074.80/145,627,612.20 = 89,694,764.40/x
  3. Step 3: Cross multiply
    97,085,074.80x = 145,627,612.20 × 89,694,764.40
  4. Step 4: Simplify right side
    97,085,074.80x = 13,062,034,366,413,566
  5. Step 5: Solve for x
    x = 13,062,034,366,413,566/97,085,074.80
  6. Step 6: Final answer
    x = 134,542,146.60

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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.