Home / 142,920,014.10-214,380,021.15-88,500,455.70

Finding the Fourth Proportional to 142,920,014.10, 214,380,021.15 and 88,500,455.70

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Solution

The fourth proportional to 142,920,014.10, 214,380,021.15 and 88,500,455.70 is: 132,750,683.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,920,014.10 : 214,380,021.15 = 88,500,455.70 : x
  2. Step 2: Convert to fraction form
    142,920,014.10/214,380,021.15 = 88,500,455.70/x
  3. Step 3: Cross multiply
    142,920,014.10x = 214,380,021.15 × 88,500,455.70
  4. Step 4: Simplify right side
    142,920,014.10x = 18,972,729,564,750,640
  5. Step 5: Solve for x
    x = 18,972,729,564,750,640/142,920,014.10
  6. Step 6: Final answer
    x = 132,750,683.55

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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.