Home / 121,325,951.20-181,988,926.80-39,444,671.20

Finding the Fourth Proportional to 121,325,951.20, 181,988,926.80 and 39,444,671.20

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Solution

The fourth proportional to 121,325,951.20, 181,988,926.80 and 39,444,671.20 is: 59,167,006.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,325,951.20 : 181,988,926.80 = 39,444,671.20 : x
  2. Step 2: Convert to fraction form
    121,325,951.20/181,988,926.80 = 39,444,671.20/x
  3. Step 3: Cross multiply
    121,325,951.20x = 181,988,926.80 × 39,444,671.20
  4. Step 4: Simplify right side
    121,325,951.20x = 7,178,493,379,666,869
  5. Step 5: Solve for x
    x = 7,178,493,379,666,869/121,325,951.20
  6. Step 6: Final answer
    x = 59,167,006.80

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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.