Home / 70,021,554.03-105,047,946.40-21,504,304.17

Finding the Fourth Proportional to 70,021,554.03, 105,047,946.40 and 21,504,304.17

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Solution

The fourth proportional to 70,021,554.03, 105,047,946.40 and 21,504,304.17 is: 32,261,251.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,021,554.03 : 105,047,946.40 = 21,504,304.17 : x
  2. Step 2: Convert to fraction form
    70,021,554.03/105,047,946.40 = 21,504,304.17/x
  3. Step 3: Cross multiply
    70,021,554.03x = 105,047,946.40 × 21,504,304.17
  4. Step 4: Simplify right side
    70,021,554.03x = 2,258,982,991,240,456
  5. Step 5: Solve for x
    x = 2,258,982,991,240,456/70,021,554.03
  6. Step 6: Final answer
    x = 32,261,251.88

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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.