Home / 56,663,820.60-84,995,730.90-52,128,857.40

Finding the Fourth Proportional to 56,663,820.60, 84,995,730.90 and 52,128,857.40

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Solution

The fourth proportional to 56,663,820.60, 84,995,730.90 and 52,128,857.40 is: 78,193,286.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,663,820.60 : 84,995,730.90 = 52,128,857.40 : x
  2. Step 2: Convert to fraction form
    56,663,820.60/84,995,730.90 = 52,128,857.40/x
  3. Step 3: Cross multiply
    56,663,820.60x = 84,995,730.90 × 52,128,857.40
  4. Step 4: Simplify right side
    56,663,820.60x = 4,430,730,335,694,874
  5. Step 5: Solve for x
    x = 4,430,730,335,694,874/56,663,820.60
  6. Step 6: Final answer
    x = 78,193,286.10

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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.