Home / 81,222,209.80-121,772,722.20-48,866,531.20

Finding the Fourth Proportional to 81,222,209.80, 121,772,722.20 and 48,866,531.20

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Solution

The fourth proportional to 81,222,209.80, 121,772,722.20 and 48,866,531.20 is: 73,263,341.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,222,209.80 : 121,772,722.20 = 48,866,531.20 : x
  2. Step 2: Convert to fraction form
    81,222,209.80/121,772,722.20 = 48,866,531.20/x
  3. Step 3: Cross multiply
    81,222,209.80x = 121,772,722.20 × 48,866,531.20
  4. Step 4: Simplify right side
    81,222,209.80x = 5,950,610,528,695,233
  5. Step 5: Solve for x
    x = 5,950,610,528,695,233/81,222,209.80
  6. Step 6: Final answer
    x = 73,263,341.93

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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.