Home / 261,146,826-360,382,620.24-143,669,642.40

Finding the Fourth Proportional to 261,146,826, 360,382,620.24 and 143,669,642.40

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Solution

The fourth proportional to 261,146,826, 360,382,620.24 and 143,669,642.40 is: 198,264,106.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,146,826 : 360,382,620.24 = 143,669,642.40 : x
  2. Step 2: Convert to fraction form
    261,146,826/360,382,620.24 = 143,669,642.40/x
  3. Step 3: Cross multiply
    261,146,826x = 360,382,620.24 × 143,669,642.40
  4. Step 4: Simplify right side
    261,146,826x = 51,776,042,177,055,808
  5. Step 5: Solve for x
    x = 51,776,042,177,055,808/261,146,826
  6. Step 6: Final answer
    x = 198,264,106.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.