Home / 247,640,289.68-371,461,298.52-75,118,589.84

Finding the Fourth Proportional to 247,640,289.68, 371,461,298.52 and 75,118,589.84

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Solution

The fourth proportional to 247,640,289.68, 371,461,298.52 and 75,118,589.84 is: 112,678,146.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,640,289.68 : 371,461,298.52 = 75,118,589.84 : x
  2. Step 2: Convert to fraction form
    247,640,289.68/371,461,298.52 = 75,118,589.84/x
  3. Step 3: Cross multiply
    247,640,289.68x = 371,461,298.52 × 75,118,589.84
  4. Step 4: Simplify right side
    247,640,289.68x = 27,903,648,924,957,680
  5. Step 5: Solve for x
    x = 27,903,648,924,957,680/247,640,289.68
  6. Step 6: Final answer
    x = 112,678,146.84

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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.