Home / 345,170,642.40-476,332,338.96-188,537,724

Finding the Fourth Proportional to 345,170,642.40, 476,332,338.96 and 188,537,724

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Solution

The fourth proportional to 345,170,642.40, 476,332,338.96 and 188,537,724 is: 260,180,339.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,170,642.40 : 476,332,338.96 = 188,537,724 : x
  2. Step 2: Convert to fraction form
    345,170,642.40/476,332,338.96 = 188,537,724/x
  3. Step 3: Cross multiply
    345,170,642.40x = 476,332,338.96 × 188,537,724
  4. Step 4: Simplify right side
    345,170,642.40x = 89,806,615,055,114,928
  5. Step 5: Solve for x
    x = 89,806,615,055,114,928/345,170,642.40
  6. Step 6: Final answer
    x = 260,180,339.88

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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.