Home / 118,201,097.70-177,062,498.10-81,850,533.30

Finding the Fourth Proportional to 118,201,097.70, 177,062,498.10 and 81,850,533.30

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Solution

The fourth proportional to 118,201,097.70, 177,062,498.10 and 81,850,533.30 is: 122,610,197.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,201,097.70 : 177,062,498.10 = 81,850,533.30 : x
  2. Step 2: Convert to fraction form
    118,201,097.70/177,062,498.10 = 81,850,533.30/x
  3. Step 3: Cross multiply
    118,201,097.70x = 177,062,498.10 × 81,850,533.30
  4. Step 4: Simplify right side
    118,201,097.70x = 14,492,659,896,915,236
  5. Step 5: Solve for x
    x = 14,492,659,896,915,236/118,201,097.70
  6. Step 6: Final answer
    x = 122,610,197.19

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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.