Home / 42,601,900.80-63,959,545.08-22,421,314.56

Finding the Fourth Proportional to 42,601,900.80, 63,959,545.08 and 22,421,314.56

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Solution

The fourth proportional to 42,601,900.80, 63,959,545.08 and 22,421,314.56 is: 33,661,809.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,601,900.80 : 63,959,545.08 = 22,421,314.56 : x
  2. Step 2: Convert to fraction form
    42,601,900.80/63,959,545.08 = 22,421,314.56/x
  3. Step 3: Cross multiply
    42,601,900.80x = 63,959,545.08 × 22,421,314.56
  4. Step 4: Simplify right side
    42,601,900.80x = 1,434,057,079,353,180.25
  5. Step 5: Solve for x
    x = 1,434,057,079,353,180.25/42,601,900.80
  6. Step 6: Final answer
    x = 33,661,809.74

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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.