Home / 66,570,064.80-99,784,238.40-25,613,678.40

Finding the Fourth Proportional to 66,570,064.80, 99,784,238.40 and 25,613,678.40

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Solution

The fourth proportional to 66,570,064.80, 99,784,238.40 and 25,613,678.40 is: 38,393,253.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,570,064.80 : 99,784,238.40 = 25,613,678.40 : x
  2. Step 2: Convert to fraction form
    66,570,064.80/99,784,238.40 = 25,613,678.40/x
  3. Step 3: Cross multiply
    66,570,064.80x = 99,784,238.40 × 25,613,678.40
  4. Step 4: Simplify right side
    66,570,064.80x = 2,555,841,391,766,530.50
  5. Step 5: Solve for x
    x = 2,555,841,391,766,530.50/66,570,064.80
  6. Step 6: Final answer
    x = 38,393,253.78

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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.