Home / 118,835,341.80-178,253,012.70-54,265,260.30

Finding the Fourth Proportional to 118,835,341.80, 178,253,012.70 and 54,265,260.30

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Solution

The fourth proportional to 118,835,341.80, 178,253,012.70 and 54,265,260.30 is: 81,397,890.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,835,341.80 : 178,253,012.70 = 54,265,260.30 : x
  2. Step 2: Convert to fraction form
    118,835,341.80/178,253,012.70 = 54,265,260.30/x
  3. Step 3: Cross multiply
    118,835,341.80x = 178,253,012.70 × 54,265,260.30
  4. Step 4: Simplify right side
    118,835,341.80x = 9,672,946,133,424,704
  5. Step 5: Solve for x
    x = 9,672,946,133,424,704/118,835,341.80
  6. Step 6: Final answer
    x = 81,397,890.45

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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.