Home / 310,856,243.27-428,826,750.03-185,319,982.22

Finding the Fourth Proportional to 310,856,243.27, 428,826,750.03 and 185,319,982.22

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Solution

The fourth proportional to 310,856,243.27, 428,826,750.03 and 185,319,982.22 is: 255,649,250.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,856,243.27 : 428,826,750.03 = 185,319,982.22 : x
  2. Step 2: Convert to fraction form
    310,856,243.27/428,826,750.03 = 185,319,982.22/x
  3. Step 3: Cross multiply
    310,856,243.27x = 428,826,750.03 × 185,319,982.22
  4. Step 4: Simplify right side
    310,856,243.27x = 79,470,165,688,875,840
  5. Step 5: Solve for x
    x = 79,470,165,688,875,840/310,856,243.27
  6. Step 6: Final answer
    x = 255,649,250.77

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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.