Home / 165,120,902.80-247,680,370.05-42,298,982.80

Finding the Fourth Proportional to 165,120,902.80, 247,680,370.05 and 42,298,982.80

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Solution

The fourth proportional to 165,120,902.80, 247,680,370.05 and 42,298,982.80 is: 63,448,222.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,120,902.80 : 247,680,370.05 = 42,298,982.80 : x
  2. Step 2: Convert to fraction form
    165,120,902.80/247,680,370.05 = 42,298,982.80/x
  3. Step 3: Cross multiply
    165,120,902.80x = 247,680,370.05 × 42,298,982.80
  4. Step 4: Simplify right side
    165,120,902.80x = 10,476,627,712,642,584
  5. Step 5: Solve for x
    x = 10,476,627,712,642,584/165,120,902.80
  6. Step 6: Final answer
    x = 63,448,222.09

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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.