Home / 142,187,053.41-213,269,943.20-51,310,639.17

Finding the Fourth Proportional to 142,187,053.41, 213,269,943.20 and 51,310,639.17

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Solution

The fourth proportional to 142,187,053.41, 213,269,943.20 and 51,310,639.17 is: 76,962,120.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,187,053.41 : 213,269,943.20 = 51,310,639.17 : x
  2. Step 2: Convert to fraction form
    142,187,053.41/213,269,943.20 = 51,310,639.17/x
  3. Step 3: Cross multiply
    142,187,053.41x = 213,269,943.20 × 51,310,639.17
  4. Step 4: Simplify right side
    142,187,053.41x = 10,943,017,101,085,042
  5. Step 5: Solve for x
    x = 10,943,017,101,085,042/142,187,053.41
  6. Step 6: Final answer
    x = 76,962,120.24

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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.