Home / 142,627,795.20-213,941,692.80-34,922,419.20

Finding the Fourth Proportional to 142,627,795.20, 213,941,692.80 and 34,922,419.20

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Solution

The fourth proportional to 142,627,795.20, 213,941,692.80 and 34,922,419.20 is: 52,383,628.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,627,795.20 : 213,941,692.80 = 34,922,419.20 : x
  2. Step 2: Convert to fraction form
    142,627,795.20/213,941,692.80 = 34,922,419.20/x
  3. Step 3: Cross multiply
    142,627,795.20x = 213,941,692.80 × 34,922,419.20
  4. Step 4: Simplify right side
    142,627,795.20x = 7,471,361,480,319,223
  5. Step 5: Solve for x
    x = 7,471,361,480,319,223/142,627,795.20
  6. Step 6: Final answer
    x = 52,383,628.80

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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.