Home / 127,028,403.88-175,234,563.54-83,001,142.12

Finding the Fourth Proportional to 127,028,403.88, 175,234,563.54 and 83,001,142.12

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Solution

The fourth proportional to 127,028,403.88, 175,234,563.54 and 83,001,142.12 is: 114,499,343.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,028,403.88 : 175,234,563.54 = 83,001,142.12 : x
  2. Step 2: Convert to fraction form
    127,028,403.88/175,234,563.54 = 83,001,142.12/x
  3. Step 3: Cross multiply
    127,028,403.88x = 175,234,563.54 × 83,001,142.12
  4. Step 4: Simplify right side
    127,028,403.88x = 14,544,668,912,719,710
  5. Step 5: Solve for x
    x = 14,544,668,912,719,710/127,028,403.88
  6. Step 6: Final answer
    x = 114,499,343.99

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1.5x scale

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.