Home / 87,265,163.26-120,426,290.31-48,106,080.46

Finding the Fourth Proportional to 87,265,163.26, 120,426,290.31 and 48,106,080.46

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Solution

The fourth proportional to 87,265,163.26, 120,426,290.31 and 48,106,080.46 is: 66,386,592.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,265,163.26 : 120,426,290.31 = 48,106,080.46 : x
  2. Step 2: Convert to fraction form
    87,265,163.26/120,426,290.31 = 48,106,080.46/x
  3. Step 3: Cross multiply
    87,265,163.26x = 120,426,290.31 × 48,106,080.46
  4. Step 4: Simplify right side
    87,265,163.26x = 5,793,236,811,152,179
  5. Step 5: Solve for x
    x = 5,793,236,811,152,179/87,265,163.26
  6. Step 6: Final answer
    x = 66,386,592.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.