Home / 121,083,721.20-181,625,581.80-114,706,429.20

Finding the Fourth Proportional to 121,083,721.20, 181,625,581.80 and 114,706,429.20

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Solution

The fourth proportional to 121,083,721.20, 181,625,581.80 and 114,706,429.20 is: 172,059,643.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,083,721.20 : 181,625,581.80 = 114,706,429.20 : x
  2. Step 2: Convert to fraction form
    121,083,721.20/181,625,581.80 = 114,706,429.20/x
  3. Step 3: Cross multiply
    121,083,721.20x = 181,625,581.80 × 114,706,429.20
  4. Step 4: Simplify right side
    121,083,721.20x = 20,833,621,939,650,512
  5. Step 5: Solve for x
    x = 20,833,621,939,650,512/121,083,721.20
  6. Step 6: Final answer
    x = 172,059,643.80

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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.