Home / 89,835,990.24-134,753,998.08-21,678,682.08

Finding the Fourth Proportional to 89,835,990.24, 134,753,998.08 and 21,678,682.08

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Solution

The fourth proportional to 89,835,990.24, 134,753,998.08 and 21,678,682.08 is: 32,518,026.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,835,990.24 : 134,753,998.08 = 21,678,682.08 : x
  2. Step 2: Convert to fraction form
    89,835,990.24/134,753,998.08 = 21,678,682.08/x
  3. Step 3: Cross multiply
    89,835,990.24x = 134,753,998.08 × 21,678,682.08
  4. Step 4: Simplify right side
    89,835,990.24x = 2,921,289,083,385,250.50
  5. Step 5: Solve for x
    x = 2,921,289,083,385,250.50/89,835,990.24
  6. Step 6: Final answer
    x = 32,518,026.19

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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.