Home / 199,038,251.60-298,690,087.80-91,277,406.80

Finding the Fourth Proportional to 199,038,251.60, 298,690,087.80 and 91,277,406.80

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Solution

The fourth proportional to 199,038,251.60, 298,690,087.80 and 91,277,406.80 is: 136,976,970.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,038,251.60 : 298,690,087.80 = 91,277,406.80 : x
  2. Step 2: Convert to fraction form
    199,038,251.60/298,690,087.80 = 91,277,406.80/x
  3. Step 3: Cross multiply
    199,038,251.60x = 298,690,087.80 × 91,277,406.80
  4. Step 4: Simplify right side
    199,038,251.60x = 27,263,656,651,248,316
  5. Step 5: Solve for x
    x = 27,263,656,651,248,316/199,038,251.60
  6. Step 6: Final answer
    x = 136,976,970.17

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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.