Home / 89,644,076.60-134,466,114.90-76,889,492.60

Finding the Fourth Proportional to 89,644,076.60, 134,466,114.90 and 76,889,492.60

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Solution

The fourth proportional to 89,644,076.60, 134,466,114.90 and 76,889,492.60 is: 115,334,238.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,644,076.60 : 134,466,114.90 = 76,889,492.60 : x
  2. Step 2: Convert to fraction form
    89,644,076.60/134,466,114.90 = 76,889,492.60/x
  3. Step 3: Cross multiply
    89,644,076.60x = 134,466,114.90 × 76,889,492.60
  4. Step 4: Simplify right side
    89,644,076.60x = 10,339,031,346,554,300
  5. Step 5: Solve for x
    x = 10,339,031,346,554,300/89,644,076.60
  6. Step 6: Final answer
    x = 115,334,238.90

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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.