Home / 66,737,660.40-100,106,490.60-21,304,047.60

Finding the Fourth Proportional to 66,737,660.40, 100,106,490.60 and 21,304,047.60

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Solution

The fourth proportional to 66,737,660.40, 100,106,490.60 and 21,304,047.60 is: 31,956,071.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,737,660.40 : 100,106,490.60 = 21,304,047.60 : x
  2. Step 2: Convert to fraction form
    66,737,660.40/100,106,490.60 = 21,304,047.60/x
  3. Step 3: Cross multiply
    66,737,660.40x = 100,106,490.60 × 21,304,047.60
  4. Step 4: Simplify right side
    66,737,660.40x = 2,132,673,440,811,352.50
  5. Step 5: Solve for x
    x = 2,132,673,440,811,352.50/66,737,660.40
  6. Step 6: Final answer
    x = 31,956,071.40

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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.