Home / 89,644,029.60-134,466,044.40-76,889,445.60

Finding the Fourth Proportional to 89,644,029.60, 134,466,044.40 and 76,889,445.60

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Solution

The fourth proportional to 89,644,029.60, 134,466,044.40 and 76,889,445.60 is: 115,334,168.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,644,029.60 : 134,466,044.40 = 76,889,445.60 : x
  2. Step 2: Convert to fraction form
    89,644,029.60/134,466,044.40 = 76,889,445.60/x
  3. Step 3: Cross multiply
    89,644,029.60x = 134,466,044.40 × 76,889,445.60
  4. Step 4: Simplify right side
    89,644,029.60x = 10,339,019,605,940,984
  5. Step 5: Solve for x
    x = 10,339,019,605,940,984/89,644,029.60
  6. Step 6: Final answer
    x = 115,334,168.40

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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.