Home / 121,325,981.70-181,988,972.55-39,444,701.70

Finding the Fourth Proportional to 121,325,981.70, 181,988,972.55 and 39,444,701.70

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Solution

The fourth proportional to 121,325,981.70, 181,988,972.55 and 39,444,701.70 is: 59,167,052.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,325,981.70 : 181,988,972.55 = 39,444,701.70 : x
  2. Step 2: Convert to fraction form
    121,325,981.70/181,988,972.55 = 39,444,701.70/x
  3. Step 3: Cross multiply
    121,325,981.70x = 181,988,972.55 × 39,444,701.70
  4. Step 4: Simplify right side
    121,325,981.70x = 7,178,500,734,924,239
  5. Step 5: Solve for x
    x = 7,178,500,734,924,239/121,325,981.70
  6. Step 6: Final answer
    x = 59,167,052.55

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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.