Home / 310,832,411.36-428,946,506.91-169,703,627.39

Finding the Fourth Proportional to 310,832,411.36, 428,946,506.91 and 169,703,627.39

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Solution

The fourth proportional to 310,832,411.36, 428,946,506.91 and 169,703,627.39 is: 234,189,793.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,832,411.36 : 428,946,506.91 = 169,703,627.39 : x
  2. Step 2: Convert to fraction form
    310,832,411.36/428,946,506.91 = 169,703,627.39/x
  3. Step 3: Cross multiply
    310,832,411.36x = 428,946,506.91 × 169,703,627.39
  4. Step 4: Simplify right side
    310,832,411.36x = 72,793,778,176,751,968
  5. Step 5: Solve for x
    x = 72,793,778,176,751,968/310,832,411.36
  6. Step 6: Final answer
    x = 234,189,793.33

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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.