Home / 291,310,616.10-436,913,277.54-83,998,055.34

Finding the Fourth Proportional to 291,310,616.10, 436,913,277.54 and 83,998,055.34

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Solution

The fourth proportional to 291,310,616.10, 436,913,277.54 and 83,998,055.34 is: 125,981,902.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,310,616.10 : 436,913,277.54 = 83,998,055.34 : x
  2. Step 2: Convert to fraction form
    291,310,616.10/436,913,277.54 = 83,998,055.34/x
  3. Step 3: Cross multiply
    291,310,616.10x = 436,913,277.54 × 83,998,055.34
  4. Step 4: Simplify right side
    291,310,616.10x = 36,699,865,665,585,704
  5. Step 5: Solve for x
    x = 36,699,865,665,585,704/291,310,616.10
  6. Step 6: Final answer
    x = 125,981,902.61

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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.