Home / 247,627,858.15-371,443,370.07-72,750,176.83

Finding the Fourth Proportional to 247,627,858.15, 371,443,370.07 and 72,750,176.83

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Solution

The fourth proportional to 247,627,858.15, 371,443,370.07 and 72,750,176.83 is: 109,125,730.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,627,858.15 : 371,443,370.07 = 72,750,176.83 : x
  2. Step 2: Convert to fraction form
    247,627,858.15/371,443,370.07 = 72,750,176.83/x
  3. Step 3: Cross multiply
    247,627,858.15x = 371,443,370.07 × 72,750,176.83
  4. Step 4: Simplify right side
    247,627,858.15x = 27,022,570,855,250,432
  5. Step 5: Solve for x
    x = 27,022,570,855,250,432/247,627,858.15
  6. Step 6: Final answer
    x = 109,125,730.27

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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.