Home / 89,644,059.60-134,466,089.40-76,889,475.60

Finding the Fourth Proportional to 89,644,059.60, 134,466,089.40 and 76,889,475.60

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Solution

The fourth proportional to 89,644,059.60, 134,466,089.40 and 76,889,475.60 is: 115,334,213.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,644,059.60 : 134,466,089.40 = 76,889,475.60 : x
  2. Step 2: Convert to fraction form
    89,644,059.60/134,466,089.40 = 76,889,475.60/x
  3. Step 3: Cross multiply
    89,644,059.60x = 134,466,089.40 × 76,889,475.60
  4. Step 4: Simplify right side
    89,644,059.60x = 10,339,027,099,948,718
  5. Step 5: Solve for x
    x = 10,339,027,099,948,718/89,644,059.60
  6. Step 6: Final answer
    x = 115,334,213.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.