Home / 61,237,758.56-91,705,394.40-45,638,179.84

Finding the Fourth Proportional to 61,237,758.56, 91,705,394.40 and 45,638,179.84

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Solution

The fourth proportional to 61,237,758.56, 91,705,394.40 and 45,638,179.84 is: 68,344,553.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,237,758.56 : 91,705,394.40 = 45,638,179.84 : x
  2. Step 2: Convert to fraction form
    61,237,758.56/91,705,394.40 = 45,638,179.84/x
  3. Step 3: Cross multiply
    61,237,758.56x = 91,705,394.40 × 45,638,179.84
  4. Step 4: Simplify right side
    61,237,758.56x = 4,185,267,281,925,329.50
  5. Step 5: Solve for x
    x = 4,185,267,281,925,329.50/61,237,758.56
  6. Step 6: Final answer
    x = 68,344,553.76

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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.