Home / 199,510,870.20-299,490,254.10-154,273,212.60

Finding the Fourth Proportional to 199,510,870.20, 299,490,254.10 and 154,273,212.60

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Solution

The fourth proportional to 199,510,870.20, 299,490,254.10 and 154,273,212.60 is: 231,582,988.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,510,870.20 : 299,490,254.10 = 154,273,212.60 : x
  2. Step 2: Convert to fraction form
    199,510,870.20/299,490,254.10 = 154,273,212.60/x
  3. Step 3: Cross multiply
    199,510,870.20x = 299,490,254.10 × 154,273,212.60
  4. Step 4: Simplify right side
    199,510,870.20x = 46,203,323,642,397,320
  5. Step 5: Solve for x
    x = 46,203,323,642,397,320/199,510,870.20
  6. Step 6: Final answer
    x = 231,582,988.92

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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.