Home / 67,381,659.20-101,072,488.80-51,456,411.20

Finding the Fourth Proportional to 67,381,659.20, 101,072,488.80 and 51,456,411.20

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Solution

The fourth proportional to 67,381,659.20, 101,072,488.80 and 51,456,411.20 is: 77,184,616.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,381,659.20 : 101,072,488.80 = 51,456,411.20 : x
  2. Step 2: Convert to fraction form
    67,381,659.20/101,072,488.80 = 51,456,411.20/x
  3. Step 3: Cross multiply
    67,381,659.20x = 101,072,488.80 × 51,456,411.20
  4. Step 4: Simplify right side
    67,381,659.20x = 5,200,827,544,700,195
  5. Step 5: Solve for x
    x = 5,200,827,544,700,195/67,381,659.20
  6. Step 6: Final answer
    x = 77,184,616.80

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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.