Home / 66,036,698.27-91,110,207.53-38,149,233.18

Finding the Fourth Proportional to 66,036,698.27, 91,110,207.53 and 38,149,233.18

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Solution

The fourth proportional to 66,036,698.27, 91,110,207.53 and 38,149,233.18 is: 52,634,135.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,036,698.27 : 91,110,207.53 = 38,149,233.18 : x
  2. Step 2: Convert to fraction form
    66,036,698.27/91,110,207.53 = 38,149,233.18/x
  3. Step 3: Cross multiply
    66,036,698.27x = 91,110,207.53 × 38,149,233.18
  4. Step 4: Simplify right side
    66,036,698.27x = 3,475,784,551,949,416
  5. Step 5: Solve for x
    x = 3,475,784,551,949,416/66,036,698.27
  6. Step 6: Final answer
    x = 52,634,135.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.