Home / 121,325,982.20-181,988,973.30-39,444,702.20

Finding the Fourth Proportional to 121,325,982.20, 181,988,973.30 and 39,444,702.20

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Solution

The fourth proportional to 121,325,982.20, 181,988,973.30 and 39,444,702.20 is: 59,167,053.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,325,982.20 : 181,988,973.30 = 39,444,702.20 : x
  2. Step 2: Convert to fraction form
    121,325,982.20/181,988,973.30 = 39,444,702.20/x
  3. Step 3: Cross multiply
    121,325,982.20x = 181,988,973.30 × 39,444,702.20
  4. Step 4: Simplify right side
    121,325,982.20x = 7,178,500,855,502,252
  5. Step 5: Solve for x
    x = 7,178,500,855,502,252/121,325,982.20
  6. Step 6: Final answer
    x = 59,167,053.30

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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.