Home / 47,389,600.80-71,084,401.20-39,736,850.40

Finding the Fourth Proportional to 47,389,600.80, 71,084,401.20 and 39,736,850.40

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Solution

The fourth proportional to 47,389,600.80, 71,084,401.20 and 39,736,850.40 is: 59,605,275.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,389,600.80 : 71,084,401.20 = 39,736,850.40 : x
  2. Step 2: Convert to fraction form
    47,389,600.80/71,084,401.20 = 39,736,850.40/x
  3. Step 3: Cross multiply
    47,389,600.80x = 71,084,401.20 × 39,736,850.40
  4. Step 4: Simplify right side
    47,389,600.80x = 2,824,670,216,257,980.50
  5. Step 5: Solve for x
    x = 2,824,670,216,257,980.50/47,389,600.80
  6. Step 6: Final answer
    x = 59,605,275.60

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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.