Home / 155,125,221.04-214,071,355.20-84,560,820.40

Finding the Fourth Proportional to 155,125,221.04, 214,071,355.20 and 84,560,820.40

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Solution

The fourth proportional to 155,125,221.04, 214,071,355.20 and 84,560,820.40 is: 116,693,141.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,125,221.04 : 214,071,355.20 = 84,560,820.40 : x
  2. Step 2: Convert to fraction form
    155,125,221.04/214,071,355.20 = 84,560,820.40/x
  3. Step 3: Cross multiply
    155,125,221.04x = 214,071,355.20 × 84,560,820.40
  4. Step 4: Simplify right side
    155,125,221.04x = 18,102,049,419,851,808
  5. Step 5: Solve for x
    x = 18,102,049,419,851,808/155,125,221.04
  6. Step 6: Final answer
    x = 116,693,141.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.