Home / 103,664,667-155,522,576.13-30,881,164.86

Finding the Fourth Proportional to 103,664,667, 155,522,576.13 and 30,881,164.86

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Solution

The fourth proportional to 103,664,667, 155,522,576.13 and 30,881,164.86 is: 46,329,366.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,664,667 : 155,522,576.13 = 30,881,164.86 : x
  2. Step 2: Convert to fraction form
    103,664,667/155,522,576.13 = 30,881,164.86/x
  3. Step 3: Cross multiply
    103,664,667x = 155,522,576.13 × 30,881,164.86
  4. Step 4: Simplify right side
    103,664,667x = 4,802,718,312,922,431
  5. Step 5: Solve for x
    x = 4,802,718,312,922,431/103,664,667
  6. Step 6: Final answer
    x = 46,329,366.14

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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.