Home / 314,928,764.40-472,897,031.40-213,144,034.80

Finding the Fourth Proportional to 314,928,764.40, 472,897,031.40 and 213,144,034.80

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Solution

The fourth proportional to 314,928,764.40, 472,897,031.40 and 213,144,034.80 is: 320,057,081.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,764.40 : 472,897,031.40 = 213,144,034.80 : x
  2. Step 2: Convert to fraction form
    314,928,764.40/472,897,031.40 = 213,144,034.80/x
  3. Step 3: Cross multiply
    314,928,764.40x = 472,897,031.40 × 213,144,034.80
  4. Step 4: Simplify right side
    314,928,764.40x = 100,795,181,317,538,288
  5. Step 5: Solve for x
    x = 100,795,181,317,538,288/314,928,764.40
  6. Step 6: Final answer
    x = 320,057,081.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.