Home / 315,306,659.52-435,126,842.04-174,174,956.22

Finding the Fourth Proportional to 315,306,659.52, 435,126,842.04 and 174,174,956.22

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Solution

The fourth proportional to 315,306,659.52, 435,126,842.04 and 174,174,956.22 is: 240,363,456.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,306,659.52 : 435,126,842.04 = 174,174,956.22 : x
  2. Step 2: Convert to fraction form
    315,306,659.52/435,126,842.04 = 174,174,956.22/x
  3. Step 3: Cross multiply
    315,306,659.52x = 435,126,842.04 × 174,174,956.22
  4. Step 4: Simplify right side
    315,306,659.52x = 75,788,198,662,463,856
  5. Step 5: Solve for x
    x = 75,788,198,662,463,856/315,306,659.52
  6. Step 6: Final answer
    x = 240,363,456.89

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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.