Home / 321,062,392.81-443,058,566.40-188,911,948.70

Finding the Fourth Proportional to 321,062,392.81, 443,058,566.40 and 188,911,948.70

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Solution

The fourth proportional to 321,062,392.81, 443,058,566.40 and 188,911,948.70 is: 260,694,055.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,062,392.81 : 443,058,566.40 = 188,911,948.70 : x
  2. Step 2: Convert to fraction form
    321,062,392.81/443,058,566.40 = 188,911,948.70/x
  3. Step 3: Cross multiply
    321,062,392.81x = 443,058,566.40 × 188,911,948.70
  4. Step 4: Simplify right side
    321,062,392.81x = 83,699,057,166,852,336
  5. Step 5: Solve for x
    x = 83,699,057,166,852,336/321,062,392.81
  6. Step 6: Final answer
    x = 260,694,055.24

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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.