Home / 86,221,017.08-118,967,241.60-49,544,502.20

Finding the Fourth Proportional to 86,221,017.08, 118,967,241.60 and 49,544,502.20

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Solution

The fourth proportional to 86,221,017.08, 118,967,241.60 and 49,544,502.20 is: 68,361,206.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,221,017.08 : 118,967,241.60 = 49,544,502.20 : x
  2. Step 2: Convert to fraction form
    86,221,017.08/118,967,241.60 = 49,544,502.20/x
  3. Step 3: Cross multiply
    86,221,017.08x = 118,967,241.60 × 49,544,502.20
  4. Step 4: Simplify right side
    86,221,017.08x = 5,894,172,762,584,295
  5. Step 5: Solve for x
    x = 5,894,172,762,584,295/86,221,017.08
  6. Step 6: Final answer
    x = 68,361,206.61

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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.