Home / 124,776,715.19-187,182,097.20-51,976,470.60

Finding the Fourth Proportional to 124,776,715.19, 187,182,097.20 and 51,976,470.60

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Solution

The fourth proportional to 124,776,715.19, 187,182,097.20 and 51,976,470.60 is: 77,971,797.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,776,715.19 : 187,182,097.20 = 51,976,470.60 : x
  2. Step 2: Convert to fraction form
    124,776,715.19/187,182,097.20 = 51,976,470.60/x
  3. Step 3: Cross multiply
    124,776,715.19x = 187,182,097.20 × 51,976,470.60
  4. Step 4: Simplify right side
    124,776,715.19x = 9,729,064,771,962,142
  5. Step 5: Solve for x
    x = 9,729,064,771,962,142/124,776,715.19
  6. Step 6: Final answer
    x = 77,971,797.52

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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.