Home / 60,663,918.80-90,995,878.20-40,256,584.40

Finding the Fourth Proportional to 60,663,918.80, 90,995,878.20 and 40,256,584.40

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Solution

The fourth proportional to 60,663,918.80, 90,995,878.20 and 40,256,584.40 is: 60,384,876.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,663,918.80 : 90,995,878.20 = 40,256,584.40 : x
  2. Step 2: Convert to fraction form
    60,663,918.80/90,995,878.20 = 40,256,584.40/x
  3. Step 3: Cross multiply
    60,663,918.80x = 90,995,878.20 × 40,256,584.40
  4. Step 4: Simplify right side
    60,663,918.80x = 3,663,183,250,810,420
  5. Step 5: Solve for x
    x = 3,663,183,250,810,420/60,663,918.80
  6. Step 6: Final answer
    x = 60,384,876.60

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1.5x scale

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.