Home / 251,299,810.60-376,985,145.30-78,758,632.60

Finding the Fourth Proportional to 251,299,810.60, 376,985,145.30 and 78,758,632.60

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Solution

The fourth proportional to 251,299,810.60, 376,985,145.30 and 78,758,632.60 is: 118,149,052.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,299,810.60 : 376,985,145.30 = 78,758,632.60 : x
  2. Step 2: Convert to fraction form
    251,299,810.60/376,985,145.30 = 78,758,632.60/x
  3. Step 3: Cross multiply
    251,299,810.60x = 376,985,145.30 × 78,758,632.60
  4. Step 4: Simplify right side
    251,299,810.60x = 29,690,834,554,340,316
  5. Step 5: Solve for x
    x = 29,690,834,554,340,316/251,299,810.60
  6. Step 6: Final answer
    x = 118,149,052.65

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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.