Home / 124,722,784.80-186,984,644.40-52,860,103.20

Finding the Fourth Proportional to 124,722,784.80, 186,984,644.40 and 52,860,103.20

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Solution

The fourth proportional to 124,722,784.80, 186,984,644.40 and 52,860,103.20 is: 79,247,970.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,722,784.80 : 186,984,644.40 = 52,860,103.20 : x
  2. Step 2: Convert to fraction form
    124,722,784.80/186,984,644.40 = 52,860,103.20/x
  3. Step 3: Cross multiply
    124,722,784.80x = 186,984,644.40 × 52,860,103.20
  4. Step 4: Simplify right side
    124,722,784.80x = 9,884,027,599,799,302
  5. Step 5: Solve for x
    x = 9,884,027,599,799,302/124,722,784.80
  6. Step 6: Final answer
    x = 79,247,970.73

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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.