Home / 221,061,161.28-331,592,364-84,788,316.48

Finding the Fourth Proportional to 221,061,161.28, 331,592,364 and 84,788,316.48

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Solution

The fourth proportional to 221,061,161.28, 331,592,364 and 84,788,316.48 is: 127,182,713.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,061,161.28 : 331,592,364 = 84,788,316.48 : x
  2. Step 2: Convert to fraction form
    221,061,161.28/331,592,364 = 84,788,316.48/x
  3. Step 3: Cross multiply
    221,061,161.28x = 331,592,364 × 84,788,316.48
  4. Step 4: Simplify right side
    221,061,161.28x = 28,115,158,301,183,360
  5. Step 5: Solve for x
    x = 28,115,158,301,183,360/221,061,161.28
  6. Step 6: Final answer
    x = 127,182,713.32

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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.