Home / 54,518,587.90-81,777,881.85-31,560,336.70

Finding the Fourth Proportional to 54,518,587.90, 81,777,881.85 and 31,560,336.70

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Solution

The fourth proportional to 54,518,587.90, 81,777,881.85 and 31,560,336.70 is: 47,340,505.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,518,587.90 : 81,777,881.85 = 31,560,336.70 : x
  2. Step 2: Convert to fraction form
    54,518,587.90/81,777,881.85 = 31,560,336.70/x
  3. Step 3: Cross multiply
    54,518,587.90x = 81,777,881.85 × 31,560,336.70
  4. Step 4: Simplify right side
    54,518,587.90x = 2,580,937,485,798,818.50
  5. Step 5: Solve for x
    x = 2,580,937,485,798,818.50/54,518,587.90
  6. Step 6: Final answer
    x = 47,340,505.05

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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.