Home / 142,220,446.32-213,330,943.98-54,823,119.78

Finding the Fourth Proportional to 142,220,446.32, 213,330,943.98 and 54,823,119.78

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Solution

The fourth proportional to 142,220,446.32, 213,330,943.98 and 54,823,119.78 is: 82,234,785.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,220,446.32 : 213,330,943.98 = 54,823,119.78 : x
  2. Step 2: Convert to fraction form
    142,220,446.32/213,330,943.98 = 54,823,119.78/x
  3. Step 3: Cross multiply
    142,220,446.32x = 213,330,943.98 × 54,823,119.78
  4. Step 4: Simplify right side
    142,220,446.32x = 11,695,467,894,596,010
  5. Step 5: Solve for x
    x = 11,695,467,894,596,010/142,220,446.32
  6. Step 6: Final answer
    x = 82,234,785.48

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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.