Home / 66,007,091.80-99,010,637.70-60,333,722.20

Finding the Fourth Proportional to 66,007,091.80, 99,010,637.70 and 60,333,722.20

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Solution

The fourth proportional to 66,007,091.80, 99,010,637.70 and 60,333,722.20 is: 90,500,583.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,007,091.80 : 99,010,637.70 = 60,333,722.20 : x
  2. Step 2: Convert to fraction form
    66,007,091.80/99,010,637.70 = 60,333,722.20/x
  3. Step 3: Cross multiply
    66,007,091.80x = 99,010,637.70 × 60,333,722.20
  4. Step 4: Simplify right side
    66,007,091.80x = 5,973,680,309,836,647
  5. Step 5: Solve for x
    x = 5,973,680,309,836,647/66,007,091.80
  6. Step 6: Final answer
    x = 90,500,583.30

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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.