Home / 121,270,036.80-181,912,928.40-63,874,408.80

Finding the Fourth Proportional to 121,270,036.80, 181,912,928.40 and 63,874,408.80

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Solution

The fourth proportional to 121,270,036.80, 181,912,928.40 and 63,874,408.80 is: 95,815,760.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,270,036.80 : 181,912,928.40 = 63,874,408.80 : x
  2. Step 2: Convert to fraction form
    121,270,036.80/181,912,928.40 = 63,874,408.80/x
  3. Step 3: Cross multiply
    121,270,036.80x = 181,912,928.40 × 63,874,408.80
  4. Step 4: Simplify right side
    121,270,036.80x = 11,619,580,754,626,730
  5. Step 5: Solve for x
    x = 11,619,580,754,626,730/121,270,036.80
  6. Step 6: Final answer
    x = 95,815,760.11

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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.