Home / 278,960,800.02-418,424,259.69-104,050,116.87

Finding the Fourth Proportional to 278,960,800.02, 418,424,259.69 and 104,050,116.87

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Solution

The fourth proportional to 278,960,800.02, 418,424,259.69 and 104,050,116.87 is: 156,068,856.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,960,800.02 : 418,424,259.69 = 104,050,116.87 : x
  2. Step 2: Convert to fraction form
    278,960,800.02/418,424,259.69 = 104,050,116.87/x
  3. Step 3: Cross multiply
    278,960,800.02x = 418,424,259.69 × 104,050,116.87
  4. Step 4: Simplify right side
    278,960,800.02x = 43,537,093,121,987,728
  5. Step 5: Solve for x
    x = 43,537,093,121,987,728/278,960,800.02
  6. Step 6: Final answer
    x = 156,068,856.70

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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.