Home / 89,644,083.60-134,466,125.40-76,889,499.60

Finding the Fourth Proportional to 89,644,083.60, 134,466,125.40 and 76,889,499.60

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Solution

The fourth proportional to 89,644,083.60, 134,466,125.40 and 76,889,499.60 is: 115,334,249.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,644,083.60 : 134,466,125.40 = 76,889,499.60 : x
  2. Step 2: Convert to fraction form
    89,644,083.60/134,466,125.40 = 76,889,499.60/x
  3. Step 3: Cross multiply
    89,644,083.60x = 134,466,125.40 × 76,889,499.60
  4. Step 4: Simplify right side
    89,644,083.60x = 10,339,033,095,156,850
  5. Step 5: Solve for x
    x = 10,339,033,095,156,850/89,644,083.60
  6. Step 6: Final answer
    x = 115,334,249.40

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1.5x scale

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.