Home / 79,239,680.80-118,790,401.20-30,750,618.40

Finding the Fourth Proportional to 79,239,680.80, 118,790,401.20 and 30,750,618.40

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Solution

The fourth proportional to 79,239,680.80, 118,790,401.20 and 30,750,618.40 is: 46,099,104.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,239,680.80 : 118,790,401.20 = 30,750,618.40 : x
  2. Step 2: Convert to fraction form
    79,239,680.80/118,790,401.20 = 30,750,618.40/x
  3. Step 3: Cross multiply
    79,239,680.80x = 118,790,401.20 × 30,750,618.40
  4. Step 4: Simplify right side
    79,239,680.80x = 3,652,878,296,884,102
  5. Step 5: Solve for x
    x = 3,652,878,296,884,102/79,239,680.80
  6. Step 6: Final answer
    x = 46,099,104.14

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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.