Home / 84,729,574.60-127,116,013.20-27,222,409.60

Finding the Fourth Proportional to 84,729,574.60, 127,116,013.20 and 27,222,409.60

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Solution

The fourth proportional to 84,729,574.60, 127,116,013.20 and 27,222,409.60 is: 40,840,570.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,729,574.60 : 127,116,013.20 = 27,222,409.60 : x
  2. Step 2: Convert to fraction form
    84,729,574.60/127,116,013.20 = 27,222,409.60/x
  3. Step 3: Cross multiply
    84,729,574.60x = 127,116,013.20 × 27,222,409.60
  4. Step 4: Simplify right side
    84,729,574.60x = 3,460,404,178,049,407
  5. Step 5: Solve for x
    x = 3,460,404,178,049,407/84,729,574.60
  6. Step 6: Final answer
    x = 40,840,570.66

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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.