Home / 31,144,587.21-42,667,370.60-29,980,172.25

Finding the Fourth Proportional to 31,144,587.21, 42,667,370.60 and 29,980,172.25

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Solution

The fourth proportional to 31,144,587.21, 42,667,370.60 and 29,980,172.25 is: 41,072,148.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,144,587.21 : 42,667,370.60 = 29,980,172.25 : x
  2. Step 2: Convert to fraction form
    31,144,587.21/42,667,370.60 = 29,980,172.25/x
  3. Step 3: Cross multiply
    31,144,587.21x = 42,667,370.60 × 29,980,172.25
  4. Step 4: Simplify right side
    31,144,587.21x = 1,279,175,119,892,685
  5. Step 5: Solve for x
    x = 1,279,175,119,892,685/31,144,587.21
  6. Step 6: Final answer
    x = 41,072,148.79

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1.5x scale

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.