Home / 84,901,365.78-117,164,281.55-48,233,948.82

Finding the Fourth Proportional to 84,901,365.78, 117,164,281.55 and 48,233,948.82

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Solution

The fourth proportional to 84,901,365.78, 117,164,281.55 and 48,233,948.82 is: 66,563,074.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,901,365.78 : 117,164,281.55 = 48,233,948.82 : x
  2. Step 2: Convert to fraction form
    84,901,365.78/117,164,281.55 = 48,233,948.82/x
  3. Step 3: Cross multiply
    84,901,365.78x = 117,164,281.55 × 48,233,948.82
  4. Step 4: Simplify right side
    84,901,365.78x = 5,651,295,960,064,358
  5. Step 5: Solve for x
    x = 5,651,295,960,064,358/84,901,365.78
  6. Step 6: Final answer
    x = 66,563,074.79

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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.