Home / 77,838,052.60-116,757,078.90-49,211,097.40

Finding the Fourth Proportional to 77,838,052.60, 116,757,078.90 and 49,211,097.40

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Solution

The fourth proportional to 77,838,052.60, 116,757,078.90 and 49,211,097.40 is: 73,816,646.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,838,052.60 : 116,757,078.90 = 49,211,097.40 : x
  2. Step 2: Convert to fraction form
    77,838,052.60/116,757,078.90 = 49,211,097.40/x
  3. Step 3: Cross multiply
    77,838,052.60x = 116,757,078.90 × 49,211,097.40
  4. Step 4: Simplify right side
    77,838,052.60x = 5,745,743,981,887,385
  5. Step 5: Solve for x
    x = 5,745,743,981,887,385/77,838,052.60
  6. Step 6: Final answer
    x = 73,816,646.10

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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.