Home / 122,510,112.90-183,765,169.35-54,359,693.70

Finding the Fourth Proportional to 122,510,112.90, 183,765,169.35 and 54,359,693.70

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Solution

The fourth proportional to 122,510,112.90, 183,765,169.35 and 54,359,693.70 is: 81,539,540.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,510,112.90 : 183,765,169.35 = 54,359,693.70 : x
  2. Step 2: Convert to fraction form
    122,510,112.90/183,765,169.35 = 54,359,693.70/x
  3. Step 3: Cross multiply
    122,510,112.90x = 183,765,169.35 × 54,359,693.70
  4. Step 4: Simplify right side
    122,510,112.90x = 9,989,418,318,594,628
  5. Step 5: Solve for x
    x = 9,989,418,318,594,628/122,510,112.90
  6. Step 6: Final answer
    x = 81,539,540.55

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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.