Home / 189,567,604.50-261,603,650.13-105,935,735.70

Finding the Fourth Proportional to 189,567,604.50, 261,603,650.13 and 105,935,735.70

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Solution

The fourth proportional to 189,567,604.50, 261,603,650.13 and 105,935,735.70 is: 146,191,514.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,567,604.50 : 261,603,650.13 = 105,935,735.70 : x
  2. Step 2: Convert to fraction form
    189,567,604.50/261,603,650.13 = 105,935,735.70/x
  3. Step 3: Cross multiply
    189,567,604.50x = 261,603,650.13 × 105,935,735.70
  4. Step 4: Simplify right side
    189,567,604.50x = 27,713,175,138,326,952
  5. Step 5: Solve for x
    x = 27,713,175,138,326,952/189,567,604.50
  6. Step 6: Final answer
    x = 146,191,514.16

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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.