Home / 66,570,048.80-99,784,214.40-25,613,662.40

Finding the Fourth Proportional to 66,570,048.80, 99,784,214.40 and 25,613,662.40

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Solution

The fourth proportional to 66,570,048.80, 99,784,214.40 and 25,613,662.40 is: 38,393,229.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,570,048.80 : 99,784,214.40 = 25,613,662.40 : x
  2. Step 2: Convert to fraction form
    66,570,048.80/99,784,214.40 = 25,613,662.40/x
  3. Step 3: Cross multiply
    66,570,048.80x = 99,784,214.40 × 25,613,662.40
  4. Step 4: Simplify right side
    66,570,048.80x = 2,555,839,180,490,818.50
  5. Step 5: Solve for x
    x = 2,555,839,180,490,818.50/66,570,048.80
  6. Step 6: Final answer
    x = 38,393,229.79

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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.