Home / 85,536,054.90-128,304,082.35-34,454,733.30

Finding the Fourth Proportional to 85,536,054.90, 128,304,082.35 and 34,454,733.30

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Solution

The fourth proportional to 85,536,054.90, 128,304,082.35 and 34,454,733.30 is: 51,682,099.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,536,054.90 : 128,304,082.35 = 34,454,733.30 : x
  2. Step 2: Convert to fraction form
    85,536,054.90/128,304,082.35 = 34,454,733.30/x
  3. Step 3: Cross multiply
    85,536,054.90x = 128,304,082.35 × 34,454,733.30
  4. Step 4: Simplify right side
    85,536,054.90x = 4,420,682,938,670,486.50
  5. Step 5: Solve for x
    x = 4,420,682,938,670,486.50/85,536,054.90
  6. Step 6: Final answer
    x = 51,682,099.95

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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.