Home / 142,920,011.60-214,380,017.40-88,500,453.20

Finding the Fourth Proportional to 142,920,011.60, 214,380,017.40 and 88,500,453.20

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Solution

The fourth proportional to 142,920,011.60, 214,380,017.40 and 88,500,453.20 is: 132,750,679.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,920,011.60 : 214,380,017.40 = 88,500,453.20 : x
  2. Step 2: Convert to fraction form
    142,920,011.60/214,380,017.40 = 88,500,453.20/x
  3. Step 3: Cross multiply
    142,920,011.60x = 214,380,017.40 × 88,500,453.20
  4. Step 4: Simplify right side
    142,920,011.60x = 18,972,728,696,923,888
  5. Step 5: Solve for x
    x = 18,972,728,696,923,888/142,920,011.60
  6. Step 6: Final answer
    x = 132,750,679.80

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1.5x scale

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.