Home / 261,142,923.11-360,377,231.63-143,665,732.22

Finding the Fourth Proportional to 261,142,923.11, 360,377,231.63 and 143,665,732.22

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Solution

The fourth proportional to 261,142,923.11, 360,377,231.63 and 143,665,732.22 is: 198,258,709.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,142,923.11 : 360,377,231.63 = 143,665,732.22 : x
  2. Step 2: Convert to fraction form
    261,142,923.11/360,377,231.63 = 143,665,732.22/x
  3. Step 3: Cross multiply
    261,142,923.11x = 360,377,231.63 × 143,665,732.22
  4. Step 4: Simplify right side
    261,142,923.11x = 51,773,858,855,020,280
  5. Step 5: Solve for x
    x = 51,773,858,855,020,280/261,142,923.11
  6. Step 6: Final answer
    x = 198,258,709.21

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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.