Home / 91,012,997.40-136,519,496.10-91,012,997.40

Finding the Fourth Proportional to 91,012,997.40, 136,519,496.10 and 91,012,997.40

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Solution

The fourth proportional to 91,012,997.40, 136,519,496.10 and 91,012,997.40 is: 136,519,496.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,012,997.40 : 136,519,496.10 = 91,012,997.40 : x
  2. Step 2: Convert to fraction form
    91,012,997.40/136,519,496.10 = 91,012,997.40/x
  3. Step 3: Cross multiply
    91,012,997.40x = 136,519,496.10 × 91,012,997.40
  4. Step 4: Simplify right side
    91,012,997.40x = 12,425,048,543,598,610
  5. Step 5: Solve for x
    x = 12,425,048,543,598,610/91,012,997.40
  6. Step 6: Final answer
    x = 136,519,496.10

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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.