Home / 92,820,801.87-128,085,207.78-53,665,101.96

Finding the Fourth Proportional to 92,820,801.87, 128,085,207.78 and 53,665,101.96

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Solution

The fourth proportional to 92,820,801.87, 128,085,207.78 and 53,665,101.96 is: 74,053,505.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,820,801.87 : 128,085,207.78 = 53,665,101.96 : x
  2. Step 2: Convert to fraction form
    92,820,801.87/128,085,207.78 = 53,665,101.96/x
  3. Step 3: Cross multiply
    92,820,801.87x = 128,085,207.78 × 53,665,101.96
  4. Step 4: Simplify right side
    92,820,801.87x = 6,873,705,735,081,485
  5. Step 5: Solve for x
    x = 6,873,705,735,081,485/92,820,801.87
  6. Step 6: Final answer
    x = 74,053,505.21

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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.