Home / 117,439,894.76-176,313,798.89-78,751,463.69

Finding the Fourth Proportional to 117,439,894.76, 176,313,798.89 and 78,751,463.69

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Solution

The fourth proportional to 117,439,894.76, 176,313,798.89 and 78,751,463.69 is: 118,230,434.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,439,894.76 : 176,313,798.89 = 78,751,463.69 : x
  2. Step 2: Convert to fraction form
    117,439,894.76/176,313,798.89 = 78,751,463.69/x
  3. Step 3: Cross multiply
    117,439,894.76x = 176,313,798.89 × 78,751,463.69
  4. Step 4: Simplify right side
    117,439,894.76x = 13,884,969,730,647,108
  5. Step 5: Solve for x
    x = 13,884,969,730,647,108/117,439,894.76
  6. Step 6: Final answer
    x = 118,230,434.04

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.