Home / 150,932,808.69-208,286,024.04-84,853,601.61

Finding the Fourth Proportional to 150,932,808.69, 208,286,024.04 and 84,853,601.61

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Solution

The fourth proportional to 150,932,808.69, 208,286,024.04 and 84,853,601.61 is: 117,097,266.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,932,808.69 : 208,286,024.04 = 84,853,601.61 : x
  2. Step 2: Convert to fraction form
    150,932,808.69/208,286,024.04 = 84,853,601.61/x
  3. Step 3: Cross multiply
    150,932,808.69x = 208,286,024.04 × 84,853,601.61
  4. Step 4: Simplify right side
    150,932,808.69x = 17,673,819,304,821,042
  5. Step 5: Solve for x
    x = 17,673,819,304,821,042/150,932,808.69
  6. Step 6: Final answer
    x = 117,097,266.38

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1.5x scale

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.