Home / 261,201,726.50-360,447,575.78-142,124,817.12

Finding the Fourth Proportional to 261,201,726.50, 360,447,575.78 and 142,124,817.12

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Solution

The fourth proportional to 261,201,726.50, 360,447,575.78 and 142,124,817.12 is: 196,126,367.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,201,726.50 : 360,447,575.78 = 142,124,817.12 : x
  2. Step 2: Convert to fraction form
    261,201,726.50/360,447,575.78 = 142,124,817.12/x
  3. Step 3: Cross multiply
    261,201,726.50x = 360,447,575.78 × 142,124,817.12
  4. Step 4: Simplify right side
    261,201,726.50x = 51,228,545,788,369,216
  5. Step 5: Solve for x
    x = 51,228,545,788,369,216/261,201,726.50
  6. Step 6: Final answer
    x = 196,126,367.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.