Home / 121,392,014.20-181,710,107.70-117,612,878.20

Finding the Fourth Proportional to 121,392,014.20, 181,710,107.70 and 117,612,878.20

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Solution

The fourth proportional to 121,392,014.20, 181,710,107.70 and 117,612,878.20 is: 176,053,168.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,392,014.20 : 181,710,107.70 = 117,612,878.20 : x
  2. Step 2: Convert to fraction form
    121,392,014.20/181,710,107.70 = 117,612,878.20/x
  3. Step 3: Cross multiply
    121,392,014.20x = 181,710,107.70 × 117,612,878.20
  4. Step 4: Simplify right side
    121,392,014.20x = 21,371,448,764,628,980
  5. Step 5: Solve for x
    x = 21,371,448,764,628,980/121,392,014.20
  6. Step 6: Final answer
    x = 176,053,168.78

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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.