Home / 119,456,031.20-179,217,224.40-51,331,359.20

Finding the Fourth Proportional to 119,456,031.20, 179,217,224.40 and 51,331,359.20

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Solution

The fourth proportional to 119,456,031.20, 179,217,224.40 and 51,331,359.20 is: 77,011,295.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,456,031.20 : 179,217,224.40 = 51,331,359.20 : x
  2. Step 2: Convert to fraction form
    119,456,031.20/179,217,224.40 = 51,331,359.20/x
  3. Step 3: Cross multiply
    119,456,031.20x = 179,217,224.40 × 51,331,359.20
  4. Step 4: Simplify right side
    119,456,031.20x = 9,199,463,720,503,406
  5. Step 5: Solve for x
    x = 9,199,463,720,503,406/119,456,031.20
  6. Step 6: Final answer
    x = 77,011,295.52

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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.