Home / 280,797,191.15-387,497,250.71-155,350,284.87

Finding the Fourth Proportional to 280,797,191.15, 387,497,250.71 and 155,350,284.87

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Solution

The fourth proportional to 280,797,191.15, 387,497,250.71 and 155,350,284.87 is: 214,381,803.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,797,191.15 : 387,497,250.71 = 155,350,284.87 : x
  2. Step 2: Convert to fraction form
    280,797,191.15/387,497,250.71 = 155,350,284.87/x
  3. Step 3: Cross multiply
    280,797,191.15x = 387,497,250.71 × 155,350,284.87
  4. Step 4: Simplify right side
    280,797,191.15x = 60,197,808,283,363,560
  5. Step 5: Solve for x
    x = 60,197,808,283,363,560/280,797,191.15
  6. Step 6: Final answer
    x = 214,381,803.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.