Home / 99,692,079.60-149,692,084.20-54,342,447.60

Finding the Fourth Proportional to 99,692,079.60, 149,692,084.20 and 54,342,447.60

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Solution

The fourth proportional to 99,692,079.60, 149,692,084.20 and 54,342,447.60 is: 81,597,598.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,692,079.60 : 149,692,084.20 = 54,342,447.60 : x
  2. Step 2: Convert to fraction form
    99,692,079.60/149,692,084.20 = 54,342,447.60/x
  3. Step 3: Cross multiply
    99,692,079.60x = 149,692,084.20 × 54,342,447.60
  4. Step 4: Simplify right side
    99,692,079.60x = 8,134,634,241,773,287
  5. Step 5: Solve for x
    x = 8,134,634,241,773,287/99,692,079.60
  6. Step 6: Final answer
    x = 81,597,598.07

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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.