Home / 261,235,639.15-360,424,009.33-148,186,513.19

Finding the Fourth Proportional to 261,235,639.15, 360,424,009.33 and 148,186,513.19

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Solution

The fourth proportional to 261,235,639.15, 360,424,009.33 and 148,186,513.19 is: 204,451,342.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,235,639.15 : 360,424,009.33 = 148,186,513.19 : x
  2. Step 2: Convert to fraction form
    261,235,639.15/360,424,009.33 = 148,186,513.19/x
  3. Step 3: Cross multiply
    261,235,639.15x = 360,424,009.33 × 148,186,513.19
  4. Step 4: Simplify right side
    261,235,639.15x = 53,409,977,213,103,320
  5. Step 5: Solve for x
    x = 53,409,977,213,103,320/261,235,639.15
  6. Step 6: Final answer
    x = 204,451,342.81

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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.