Home / 66,433,873.07-91,661,455.28-38,917,039.07

Finding the Fourth Proportional to 66,433,873.07, 91,661,455.28 and 38,917,039.07

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Solution

The fourth proportional to 66,433,873.07, 91,661,455.28 and 38,917,039.07 is: 53,695,385.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,433,873.07 : 91,661,455.28 = 38,917,039.07 : x
  2. Step 2: Convert to fraction form
    66,433,873.07/91,661,455.28 = 38,917,039.07/x
  3. Step 3: Cross multiply
    66,433,873.07x = 91,661,455.28 × 38,917,039.07
  4. Step 4: Simplify right side
    66,433,873.07x = 3,567,192,435,691,925.50
  5. Step 5: Solve for x
    x = 3,567,192,435,691,925.50/66,433,873.07
  6. Step 6: Final answer
    x = 53,695,385.67

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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.