Home / 89,578,832.40-134,509,966.20-68,037,757.20

Finding the Fourth Proportional to 89,578,832.40, 134,509,966.20 and 68,037,757.20

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Solution

The fourth proportional to 89,578,832.40, 134,509,966.20 and 68,037,757.20 is: 102,164,274.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,578,832.40 : 134,509,966.20 = 68,037,757.20 : x
  2. Step 2: Convert to fraction form
    89,578,832.40/134,509,966.20 = 68,037,757.20/x
  3. Step 3: Cross multiply
    89,578,832.40x = 134,509,966.20 × 68,037,757.20
  4. Step 4: Simplify right side
    89,578,832.40x = 9,151,756,421,295,806
  5. Step 5: Solve for x
    x = 9,151,756,421,295,806/89,578,832.40
  6. Step 6: Final answer
    x = 102,164,274.48

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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.