Home / 90,140,437,530.14-135,226,248,424.22-30,449,534,396.90

Finding the Fourth Proportional to 90,140,437,530.14, 135,226,248,424.22 and 30,449,534,396.90

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Solution

The fourth proportional to 90,140,437,530.14, 135,226,248,424.22 and 30,449,534,396.90 is: 45,679,568,632.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,140,437,530.14 : 135,226,248,424.22 = 30,449,534,396.90 : x
  2. Step 2: Convert to fraction form
    90,140,437,530.14/135,226,248,424.22 = 30,449,534,396.90/x
  3. Step 3: Cross multiply
    90,140,437,530.14x = 135,226,248,424.22 × 30,449,534,396.90
  4. Step 4: Simplify right side
    90,140,437,530.14x = 4,117,576,302,756,355,375,104
  5. Step 5: Solve for x
    x = 4,117,576,302,756,355,375,104/90,140,437,530.14
  6. Step 6: Final answer
    x = 45,679,568,632.89

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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.