Home / 89,885,638.30-134,828,457.45-88,989,843.10

Finding the Fourth Proportional to 89,885,638.30, 134,828,457.45 and 88,989,843.10

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Solution

The fourth proportional to 89,885,638.30, 134,828,457.45 and 88,989,843.10 is: 133,484,764.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,885,638.30 : 134,828,457.45 = 88,989,843.10 : x
  2. Step 2: Convert to fraction form
    89,885,638.30/134,828,457.45 = 88,989,843.10/x
  3. Step 3: Cross multiply
    89,885,638.30x = 134,828,457.45 × 88,989,843.10
  4. Step 4: Simplify right side
    89,885,638.30x = 11,998,363,273,890,524
  5. Step 5: Solve for x
    x = 11,998,363,273,890,524/89,885,638.30
  6. Step 6: Final answer
    x = 133,484,764.65

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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.