Home / 149,982,058.03-206,975,543.90-83,903,659.77

Finding the Fourth Proportional to 149,982,058.03, 206,975,543.90 and 83,903,659.77

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Solution

The fourth proportional to 149,982,058.03, 206,975,543.90 and 83,903,659.77 is: 115,787,220.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,982,058.03 : 206,975,543.90 = 83,903,659.77 : x
  2. Step 2: Convert to fraction form
    149,982,058.03/206,975,543.90 = 83,903,659.77/x
  3. Step 3: Cross multiply
    149,982,058.03x = 206,975,543.90 × 83,903,659.77
  4. Step 4: Simplify right side
    149,982,058.03x = 17,366,005,616,096,298
  5. Step 5: Solve for x
    x = 17,366,005,616,096,298/149,982,058.03
  6. Step 6: Final answer
    x = 115,787,220.45

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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.