Home / 89,835,987.24-134,753,993.58-21,678,679.08

Finding the Fourth Proportional to 89,835,987.24, 134,753,993.58 and 21,678,679.08

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Solution

The fourth proportional to 89,835,987.24, 134,753,993.58 and 21,678,679.08 is: 32,518,021.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,835,987.24 : 134,753,993.58 = 21,678,679.08 : x
  2. Step 2: Convert to fraction form
    89,835,987.24/134,753,993.58 = 21,678,679.08/x
  3. Step 3: Cross multiply
    89,835,987.24x = 134,753,993.58 × 21,678,679.08
  4. Step 4: Simplify right side
    89,835,987.24x = 2,921,288,581,569,200.50
  5. Step 5: Solve for x
    x = 2,921,288,581,569,200.50/89,835,987.24
  6. Step 6: Final answer
    x = 32,518,021.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.