Home / 228,373,835.04-315,160,592.04-129,254,575.68

Finding the Fourth Proportional to 228,373,835.04, 315,160,592.04 and 129,254,575.68

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Solution

The fourth proportional to 228,373,835.04, 315,160,592.04 and 129,254,575.68 is: 178,373,974.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,373,835.04 : 315,160,592.04 = 129,254,575.68 : x
  2. Step 2: Convert to fraction form
    228,373,835.04/315,160,592.04 = 129,254,575.68/x
  3. Step 3: Cross multiply
    228,373,835.04x = 315,160,592.04 × 129,254,575.68
  4. Step 4: Simplify right side
    228,373,835.04x = 40,735,948,595,187,792
  5. Step 5: Solve for x
    x = 40,735,948,595,187,792/228,373,835.04
  6. Step 6: Final answer
    x = 178,373,974.36

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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.