Home / 84,559,546-116,690,188.78-49,754,490.76

Finding the Fourth Proportional to 84,559,546, 116,690,188.78 and 49,754,490.76

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Solution

The fourth proportional to 84,559,546, 116,690,188.78 and 49,754,490.76 is: 68,660,029.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,559,546 : 116,690,188.78 = 49,754,490.76 : x
  2. Step 2: Convert to fraction form
    84,559,546/116,690,188.78 = 49,754,490.76/x
  3. Step 3: Cross multiply
    84,559,546x = 116,690,188.78 × 49,754,490.76
  4. Step 4: Simplify right side
    84,559,546x = 5,805,860,919,437,165
  5. Step 5: Solve for x
    x = 5,805,860,919,437,165/84,559,546
  6. Step 6: Final answer
    x = 68,660,029.46

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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.