Home / 147,050,027.20-220,575,040.80-82,552,772.80

Finding the Fourth Proportional to 147,050,027.20, 220,575,040.80 and 82,552,772.80

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Solution

The fourth proportional to 147,050,027.20, 220,575,040.80 and 82,552,772.80 is: 123,829,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,050,027.20 : 220,575,040.80 = 82,552,772.80 : x
  2. Step 2: Convert to fraction form
    147,050,027.20/220,575,040.80 = 82,552,772.80/x
  3. Step 3: Cross multiply
    147,050,027.20x = 220,575,040.80 × 82,552,772.80
  4. Step 4: Simplify right side
    147,050,027.20x = 18,209,081,228,513,132
  5. Step 5: Solve for x
    x = 18,209,081,228,513,132/147,050,027.20
  6. Step 6: Final answer
    x = 123,829,159.20

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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.