Home / 149,451,792.29-206,242,900.75-83,372,237.92

Finding the Fourth Proportional to 149,451,792.29, 206,242,900.75 and 83,372,237.92

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Solution

The fourth proportional to 149,451,792.29, 206,242,900.75 and 83,372,237.92 is: 115,053,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,451,792.29 : 206,242,900.75 = 83,372,237.92 : x
  2. Step 2: Convert to fraction form
    149,451,792.29/206,242,900.75 = 83,372,237.92/x
  3. Step 3: Cross multiply
    149,451,792.29x = 206,242,900.75 × 83,372,237.92
  4. Step 4: Simplify right side
    149,451,792.29x = 17,194,932,191,001,966
  5. Step 5: Solve for x
    x = 17,194,932,191,001,966/149,451,792.29
  6. Step 6: Final answer
    x = 115,053,368.90

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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.