Home / 71,421,663.44-107,146,284.60-30,480,505.04

Finding the Fourth Proportional to 71,421,663.44, 107,146,284.60 and 30,480,505.04

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Solution

The fourth proportional to 71,421,663.44, 107,146,284.60 and 30,480,505.04 is: 45,726,642.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,421,663.44 : 107,146,284.60 = 30,480,505.04 : x
  2. Step 2: Convert to fraction form
    71,421,663.44/107,146,284.60 = 30,480,505.04/x
  3. Step 3: Cross multiply
    71,421,663.44x = 107,146,284.60 × 30,480,505.04
  4. Step 4: Simplify right side
    71,421,663.44x = 3,265,872,867,767,574
  5. Step 5: Solve for x
    x = 3,265,872,867,767,574/71,421,663.44
  6. Step 6: Final answer
    x = 45,726,642.46

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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.