Home / 31,144,585.70-42,667,368.51-29,980,170.74

Finding the Fourth Proportional to 31,144,585.70, 42,667,368.51 and 29,980,170.74

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Solution

The fourth proportional to 31,144,585.70, 42,667,368.51 and 29,980,170.74 is: 41,072,146.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,144,585.70 : 42,667,368.51 = 29,980,170.74 : x
  2. Step 2: Convert to fraction form
    31,144,585.70/42,667,368.51 = 29,980,170.74/x
  3. Step 3: Cross multiply
    31,144,585.70x = 42,667,368.51 × 29,980,170.74
  4. Step 4: Simplify right side
    31,144,585.70x = 1,279,174,992,742,962.50
  5. Step 5: Solve for x
    x = 1,279,174,992,742,962.50/31,144,585.70
  6. Step 6: Final answer
    x = 41,072,146.71

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.