Home / 314,928,750.40-472,897,010.40-213,144,020.80

Finding the Fourth Proportional to 314,928,750.40, 472,897,010.40 and 213,144,020.80

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Solution

The fourth proportional to 314,928,750.40, 472,897,010.40 and 213,144,020.80 is: 320,057,060.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,750.40 : 472,897,010.40 = 213,144,020.80 : x
  2. Step 2: Convert to fraction form
    314,928,750.40/472,897,010.40 = 213,144,020.80/x
  3. Step 3: Cross multiply
    314,928,750.40x = 472,897,010.40 × 213,144,020.80
  4. Step 4: Simplify right side
    314,928,750.40x = 100,795,170,220,955,424
  5. Step 5: Solve for x
    x = 100,795,170,220,955,424/314,928,750.40
  6. Step 6: Final answer
    x = 320,057,060.82

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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.