Home / 65,570,428.10-90,486,767.85-36,203,590.82

Finding the Fourth Proportional to 65,570,428.10, 90,486,767.85 and 36,203,590.82

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Solution

The fourth proportional to 65,570,428.10, 90,486,767.85 and 36,203,590.82 is: 49,960,721.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,570,428.10 : 90,486,767.85 = 36,203,590.82 : x
  2. Step 2: Convert to fraction form
    65,570,428.10/90,486,767.85 = 36,203,590.82/x
  3. Step 3: Cross multiply
    65,570,428.10x = 90,486,767.85 × 36,203,590.82
  4. Step 4: Simplify right side
    65,570,428.10x = 3,275,945,917,865,731
  5. Step 5: Solve for x
    x = 3,275,945,917,865,731/65,570,428.10
  6. Step 6: Final answer
    x = 49,960,721.82

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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.