Home / 86,221,018.59-118,967,243.67-49,544,503.71

Finding the Fourth Proportional to 86,221,018.59, 118,967,243.67 and 49,544,503.71

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Solution

The fourth proportional to 86,221,018.59, 118,967,243.67 and 49,544,503.71 is: 68,361,208.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,221,018.59 : 118,967,243.67 = 49,544,503.71 : x
  2. Step 2: Convert to fraction form
    86,221,018.59/118,967,243.67 = 49,544,503.71/x
  3. Step 3: Cross multiply
    86,221,018.59x = 118,967,243.67 × 49,544,503.71
  4. Step 4: Simplify right side
    86,221,018.59x = 5,894,173,045,376,789
  5. Step 5: Solve for x
    x = 5,894,173,045,376,789/86,221,018.59
  6. Step 6: Final answer
    x = 68,361,208.69

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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.