Home / 66,737,665.40-100,106,498.10-21,304,052.60

Finding the Fourth Proportional to 66,737,665.40, 100,106,498.10 and 21,304,052.60

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Solution

The fourth proportional to 66,737,665.40, 100,106,498.10 and 21,304,052.60 is: 31,956,078.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,737,665.40 : 100,106,498.10 = 21,304,052.60 : x
  2. Step 2: Convert to fraction form
    66,737,665.40/100,106,498.10 = 21,304,052.60/x
  3. Step 3: Cross multiply
    66,737,665.40x = 100,106,498.10 × 21,304,052.60
  4. Step 4: Simplify right side
    66,737,665.40x = 2,132,674,101,124,200
  5. Step 5: Solve for x
    x = 2,132,674,101,124,200/66,737,665.40
  6. Step 6: Final answer
    x = 31,956,078.90

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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.