Home / 147,625,805.20-221,438,707.80-79,601,357.20

Finding the Fourth Proportional to 147,625,805.20, 221,438,707.80 and 79,601,357.20

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Solution

The fourth proportional to 147,625,805.20, 221,438,707.80 and 79,601,357.20 is: 119,402,035.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,625,805.20 : 221,438,707.80 = 79,601,357.20 : x
  2. Step 2: Convert to fraction form
    147,625,805.20/221,438,707.80 = 79,601,357.20/x
  3. Step 3: Cross multiply
    147,625,805.20x = 221,438,707.80 × 79,601,357.20
  4. Step 4: Simplify right side
    147,625,805.20x = 17,626,821,677,494,228
  5. Step 5: Solve for x
    x = 17,626,821,677,494,228/147,625,805.20
  6. Step 6: Final answer
    x = 119,402,035.80

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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.