Home / 48,511,655.45-66,976,302.89-30,880,509.79

Finding the Fourth Proportional to 48,511,655.45, 66,976,302.89 and 30,880,509.79

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Solution

The fourth proportional to 48,511,655.45, 66,976,302.89 and 30,880,509.79 is: 42,634,339.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,511,655.45 : 66,976,302.89 = 30,880,509.79 : x
  2. Step 2: Convert to fraction form
    48,511,655.45/66,976,302.89 = 30,880,509.79/x
  3. Step 3: Cross multiply
    48,511,655.45x = 66,976,302.89 × 30,880,509.79
  4. Step 4: Simplify right side
    48,511,655.45x = 2,068,262,376,765,884.25
  5. Step 5: Solve for x
    x = 2,068,262,376,765,884.25/48,511,655.45
  6. Step 6: Final answer
    x = 42,634,339.26

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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.