Home / 421,083,811.29-581,056,663.05-232,908,055.10

Finding the Fourth Proportional to 421,083,811.29, 581,056,663.05 and 232,908,055.10

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Solution

The fourth proportional to 421,083,811.29, 581,056,663.05 and 232,908,055.10 is: 321,391,546.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,083,811.29 : 581,056,663.05 = 232,908,055.10 : x
  2. Step 2: Convert to fraction form
    421,083,811.29/581,056,663.05 = 232,908,055.10/x
  3. Step 3: Cross multiply
    421,083,811.29x = 581,056,663.05 × 232,908,055.10
  4. Step 4: Simplify right side
    421,083,811.29x = 135,332,777,289,801,696
  5. Step 5: Solve for x
    x = 135,332,777,289,801,696/421,083,811.29
  6. Step 6: Final answer
    x = 321,391,546.44

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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.