Home / 90,991,872.03-136,487,808.41-30,407,598.03

Finding the Fourth Proportional to 90,991,872.03, 136,487,808.41 and 30,407,598.03

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Solution

The fourth proportional to 90,991,872.03, 136,487,808.41 and 30,407,598.03 is: 45,611,397.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,991,872.03 : 136,487,808.41 = 30,407,598.03 : x
  2. Step 2: Convert to fraction form
    90,991,872.03/136,487,808.41 = 30,407,598.03/x
  3. Step 3: Cross multiply
    90,991,872.03x = 136,487,808.41 × 30,407,598.03
  4. Step 4: Simplify right side
    90,991,872.03x = 4,150,266,413,974,895.50
  5. Step 5: Solve for x
    x = 4,150,266,413,974,895.50/90,991,872.03
  6. Step 6: Final answer
    x = 45,611,397.17

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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.