Home / 124,216,475.88-171,419,416.56-72,036,449.04

Finding the Fourth Proportional to 124,216,475.88, 171,419,416.56 and 72,036,449.04

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Solution

The fourth proportional to 124,216,475.88, 171,419,416.56 and 72,036,449.04 is: 99,410,693.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,216,475.88 : 171,419,416.56 = 72,036,449.04 : x
  2. Step 2: Convert to fraction form
    124,216,475.88/171,419,416.56 = 72,036,449.04/x
  3. Step 3: Cross multiply
    124,216,475.88x = 171,419,416.56 × 72,036,449.04
  4. Step 4: Simplify right side
    124,216,475.88x = 12,348,446,065,490,974
  5. Step 5: Solve for x
    x = 12,348,446,065,490,974/124,216,475.88
  6. Step 6: Final answer
    x = 99,410,693.94

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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.