Home / 118,290,342.70-177,474,933.87-74,520,569.77

Finding the Fourth Proportional to 118,290,342.70, 177,474,933.87 and 74,520,569.77

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Solution

The fourth proportional to 118,290,342.70, 177,474,933.87 and 74,520,569.77 is: 111,805,688.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,290,342.70 : 177,474,933.87 = 74,520,569.77 : x
  2. Step 2: Convert to fraction form
    118,290,342.70/177,474,933.87 = 74,520,569.77/x
  3. Step 3: Cross multiply
    118,290,342.70x = 177,474,933.87 × 74,520,569.77
  4. Step 4: Simplify right side
    118,290,342.70x = 13,225,533,190,625,494
  5. Step 5: Solve for x
    x = 13,225,533,190,625,494/118,290,342.70
  6. Step 6: Final answer
    x = 111,805,688.35

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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.