Home / 90,614,460.98-125,038,635.45-50,915,687.06

Finding the Fourth Proportional to 90,614,460.98, 125,038,635.45 and 50,915,687.06

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Solution

The fourth proportional to 90,614,460.98, 125,038,635.45 and 50,915,687.06 is: 70,258,410.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,614,460.98 : 125,038,635.45 = 50,915,687.06 : x
  2. Step 2: Convert to fraction form
    90,614,460.98/125,038,635.45 = 50,915,687.06/x
  3. Step 3: Cross multiply
    90,614,460.98x = 125,038,635.45 × 50,915,687.06
  4. Step 4: Simplify right side
    90,614,460.98x = 6,366,428,032,981,623
  5. Step 5: Solve for x
    x = 6,366,428,032,981,623/90,614,460.98
  6. Step 6: Final answer
    x = 70,258,410.90

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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.