Home / 51,658,115.24-77,487,172.86-45,006,835.88

Finding the Fourth Proportional to 51,658,115.24, 77,487,172.86 and 45,006,835.88

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Solution

The fourth proportional to 51,658,115.24, 77,487,172.86 and 45,006,835.88 is: 67,510,253.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,658,115.24 : 77,487,172.86 = 45,006,835.88 : x
  2. Step 2: Convert to fraction form
    51,658,115.24/77,487,172.86 = 45,006,835.88/x
  3. Step 3: Cross multiply
    51,658,115.24x = 77,487,172.86 × 45,006,835.88
  4. Step 4: Simplify right side
    51,658,115.24x = 3,487,452,471,715,210.50
  5. Step 5: Solve for x
    x = 3,487,452,471,715,210.50/51,658,115.24
  6. Step 6: Final answer
    x = 67,510,253.82

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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.