Home / 89,489,183.20-134,233,774.80-31,983,330.40

Finding the Fourth Proportional to 89,489,183.20, 134,233,774.80 and 31,983,330.40

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Solution

The fourth proportional to 89,489,183.20, 134,233,774.80 and 31,983,330.40 is: 47,974,995.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,489,183.20 : 134,233,774.80 = 31,983,330.40 : x
  2. Step 2: Convert to fraction form
    89,489,183.20/134,233,774.80 = 31,983,330.40/x
  3. Step 3: Cross multiply
    89,489,183.20x = 134,233,774.80 × 31,983,330.40
  4. Step 4: Simplify right side
    89,489,183.20x = 4,293,243,170,267,594
  5. Step 5: Solve for x
    x = 4,293,243,170,267,594/89,489,183.20
  6. Step 6: Final answer
    x = 47,974,995.60

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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.