Home / 84,836,144.80-117,073,979.13-48,166,715.80

Finding the Fourth Proportional to 84,836,144.80, 117,073,979.13 and 48,166,715.80

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Solution

The fourth proportional to 84,836,144.80, 117,073,979.13 and 48,166,715.80 is: 66,470,124.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,836,144.80 : 117,073,979.13 = 48,166,715.80 : x
  2. Step 2: Convert to fraction form
    84,836,144.80/117,073,979.13 = 48,166,715.80/x
  3. Step 3: Cross multiply
    84,836,144.80x = 117,073,979.13 × 48,166,715.80
  4. Step 4: Simplify right side
    84,836,144.80x = 5,639,069,080,329,841
  5. Step 5: Solve for x
    x = 5,639,069,080,329,841/84,836,144.80
  6. Step 6: Final answer
    x = 66,470,124.19

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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.