Home / 121,276,278.90-181,914,418.35-48,457,052.10

Finding the Fourth Proportional to 121,276,278.90, 181,914,418.35 and 48,457,052.10

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Solution

The fourth proportional to 121,276,278.90, 181,914,418.35 and 48,457,052.10 is: 72,685,578.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,276,278.90 : 181,914,418.35 = 48,457,052.10 : x
  2. Step 2: Convert to fraction form
    121,276,278.90/181,914,418.35 = 48,457,052.10/x
  3. Step 3: Cross multiply
    121,276,278.90x = 181,914,418.35 × 48,457,052.10
  4. Step 4: Simplify right side
    121,276,278.90x = 8,815,036,447,727,146
  5. Step 5: Solve for x
    x = 8,815,036,447,727,146/121,276,278.90
  6. Step 6: Final answer
    x = 72,685,578.15

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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.