Home / 147,610,315.80-221,415,473.70-70,914,850.20

Finding the Fourth Proportional to 147,610,315.80, 221,415,473.70 and 70,914,850.20

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Solution

The fourth proportional to 147,610,315.80, 221,415,473.70 and 70,914,850.20 is: 106,372,275.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,610,315.80 : 221,415,473.70 = 70,914,850.20 : x
  2. Step 2: Convert to fraction form
    147,610,315.80/221,415,473.70 = 70,914,850.20/x
  3. Step 3: Cross multiply
    147,610,315.80x = 221,415,473.70 × 70,914,850.20
  4. Step 4: Simplify right side
    147,610,315.80x = 15,701,645,149,397,540
  5. Step 5: Solve for x
    x = 15,701,645,149,397,540/147,610,315.80
  6. Step 6: Final answer
    x = 106,372,275.30

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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.