Home / 121,784,549.60-182,676,824.40-109,691,314.40

Finding the Fourth Proportional to 121,784,549.60, 182,676,824.40 and 109,691,314.40

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Solution

The fourth proportional to 121,784,549.60, 182,676,824.40 and 109,691,314.40 is: 164,536,971.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,784,549.60 : 182,676,824.40 = 109,691,314.40 : x
  2. Step 2: Convert to fraction form
    121,784,549.60/182,676,824.40 = 109,691,314.40/x
  3. Step 3: Cross multiply
    121,784,549.60x = 182,676,824.40 × 109,691,314.40
  4. Step 4: Simplify right side
    121,784,549.60x = 20,038,060,978,853,992
  5. Step 5: Solve for x
    x = 20,038,060,978,853,992/121,784,549.60
  6. Step 6: Final answer
    x = 164,536,971.60

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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.