Home / 124,836,970.80-187,329,432.38-69,551,080.55

Finding the Fourth Proportional to 124,836,970.80, 187,329,432.38 and 69,551,080.55

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Solution

The fourth proportional to 124,836,970.80, 187,329,432.38 and 69,551,080.55 is: 104,367,835.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,836,970.80 : 187,329,432.38 = 69,551,080.55 : x
  2. Step 2: Convert to fraction form
    124,836,970.80/187,329,432.38 = 69,551,080.55/x
  3. Step 3: Cross multiply
    124,836,970.80x = 187,329,432.38 × 69,551,080.55
  4. Step 4: Simplify right side
    124,836,970.80x = 13,028,964,440,847,158
  5. Step 5: Solve for x
    x = 13,028,964,440,847,158/124,836,970.80
  6. Step 6: Final answer
    x = 104,367,835.56

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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.