Home / 315,306,661.52-435,126,844.80-174,174,958.22

Finding the Fourth Proportional to 315,306,661.52, 435,126,844.80 and 174,174,958.22

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Solution

The fourth proportional to 315,306,661.52, 435,126,844.80 and 174,174,958.22 is: 240,363,459.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,306,661.52 : 435,126,844.80 = 174,174,958.22 : x
  2. Step 2: Convert to fraction form
    315,306,661.52/435,126,844.80 = 174,174,958.22/x
  3. Step 3: Cross multiply
    315,306,661.52x = 435,126,844.80 × 174,174,958.22
  4. Step 4: Simplify right side
    315,306,661.52x = 75,788,200,013,440,432
  5. Step 5: Solve for x
    x = 75,788,200,013,440,432/315,306,661.52
  6. Step 6: Final answer
    x = 240,363,459.65

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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.