Home / 142,236,880.20-213,355,320.30-136,264,912.20

Finding the Fourth Proportional to 142,236,880.20, 213,355,320.30 and 136,264,912.20

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Solution

The fourth proportional to 142,236,880.20, 213,355,320.30 and 136,264,912.20 is: 204,397,368.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,236,880.20 : 213,355,320.30 = 136,264,912.20 : x
  2. Step 2: Convert to fraction form
    142,236,880.20/213,355,320.30 = 136,264,912.20/x
  3. Step 3: Cross multiply
    142,236,880.20x = 213,355,320.30 × 136,264,912.20
  4. Step 4: Simplify right side
    142,236,880.20x = 29,072,843,988,082,376
  5. Step 5: Solve for x
    x = 29,072,843,988,082,376/142,236,880.20
  6. Step 6: Final answer
    x = 204,397,368.30

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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.