Home / 164,974,177.12-247,084,314-78,772,959.84

Finding the Fourth Proportional to 164,974,177.12, 247,084,314 and 78,772,959.84

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Solution

The fourth proportional to 164,974,177.12, 247,084,314 and 78,772,959.84 is: 117,979,450.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,974,177.12 : 247,084,314 = 78,772,959.84 : x
  2. Step 2: Convert to fraction form
    164,974,177.12/247,084,314 = 78,772,959.84/x
  3. Step 3: Cross multiply
    164,974,177.12x = 247,084,314 × 78,772,959.84
  4. Step 4: Simplify right side
    164,974,177.12x = 19,463,562,743,815,952
  5. Step 5: Solve for x
    x = 19,463,562,743,815,952/164,974,177.12
  6. Step 6: Final answer
    x = 117,979,450.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.