Home / 314,928,772.40-472,897,043.40-213,144,042.80

Finding the Fourth Proportional to 314,928,772.40, 472,897,043.40 and 213,144,042.80

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Solution

The fourth proportional to 314,928,772.40, 472,897,043.40 and 213,144,042.80 is: 320,057,093.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,772.40 : 472,897,043.40 = 213,144,042.80 : x
  2. Step 2: Convert to fraction form
    314,928,772.40/472,897,043.40 = 213,144,042.80/x
  3. Step 3: Cross multiply
    314,928,772.40x = 472,897,043.40 × 213,144,042.80
  4. Step 4: Simplify right side
    314,928,772.40x = 100,795,187,658,443,056
  5. Step 5: Solve for x
    x = 100,795,187,658,443,056/314,928,772.40
  6. Step 6: Final answer
    x = 320,057,093.83

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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.