Home / 47,990,717.10-71,986,075.65-30,772,028.70

Finding the Fourth Proportional to 47,990,717.10, 71,986,075.65 and 30,772,028.70

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Solution

The fourth proportional to 47,990,717.10, 71,986,075.65 and 30,772,028.70 is: 46,158,043.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,990,717.10 : 71,986,075.65 = 30,772,028.70 : x
  2. Step 2: Convert to fraction form
    47,990,717.10/71,986,075.65 = 30,772,028.70/x
  3. Step 3: Cross multiply
    47,990,717.10x = 71,986,075.65 × 30,772,028.70
  4. Step 4: Simplify right side
    47,990,717.10x = 2,215,157,585,902,171.25
  5. Step 5: Solve for x
    x = 2,215,157,585,902,171.25/47,990,717.10
  6. Step 6: Final answer
    x = 46,158,043.05

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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.