Home / 84,897,403.59-117,146,603.52-47,722,427.67

Finding the Fourth Proportional to 84,897,403.59, 117,146,603.52 and 47,722,427.67

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Solution

The fourth proportional to 84,897,403.59, 117,146,603.52 and 47,722,427.67 is: 65,850,309.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,897,403.59 : 117,146,603.52 = 47,722,427.67 : x
  2. Step 2: Convert to fraction form
    84,897,403.59/117,146,603.52 = 47,722,427.67/x
  3. Step 3: Cross multiply
    84,897,403.59x = 117,146,603.52 × 47,722,427.67
  4. Step 4: Simplify right side
    84,897,403.59x = 5,590,520,313,269,367
  5. Step 5: Solve for x
    x = 5,590,520,313,269,367/84,897,403.59
  6. Step 6: Final answer
    x = 65,850,309.63

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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.