Home / 149,982,057.77-206,975,543.56-83,903,659.52

Finding the Fourth Proportional to 149,982,057.77, 206,975,543.56 and 83,903,659.52

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Solution

The fourth proportional to 149,982,057.77, 206,975,543.56 and 83,903,659.52 is: 115,787,220.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,982,057.77 : 206,975,543.56 = 83,903,659.52 : x
  2. Step 2: Convert to fraction form
    149,982,057.77/206,975,543.56 = 83,903,659.52/x
  3. Step 3: Cross multiply
    149,982,057.77x = 206,975,543.56 × 83,903,659.52
  4. Step 4: Simplify right side
    149,982,057.77x = 17,366,005,536,132,848
  5. Step 5: Solve for x
    x = 17,366,005,536,132,848/149,982,057.77
  6. Step 6: Final answer
    x = 115,787,220.11

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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.