Home / 90,499,029.40-135,748,544.10-32,993,176.60

Finding the Fourth Proportional to 90,499,029.40, 135,748,544.10 and 32,993,176.60

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Solution

The fourth proportional to 90,499,029.40, 135,748,544.10 and 32,993,176.60 is: 49,489,764.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,499,029.40 : 135,748,544.10 = 32,993,176.60 : x
  2. Step 2: Convert to fraction form
    90,499,029.40/135,748,544.10 = 32,993,176.60/x
  3. Step 3: Cross multiply
    90,499,029.40x = 135,748,544.10 × 32,993,176.60
  4. Step 4: Simplify right side
    90,499,029.40x = 4,478,775,688,684,188
  5. Step 5: Solve for x
    x = 4,478,775,688,684,188/90,499,029.40
  6. Step 6: Final answer
    x = 49,489,764.90

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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.