Home / 57,082,900.53-78,774,453-30,977,417.82

Finding the Fourth Proportional to 57,082,900.53, 78,774,453 and 30,977,417.82

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Solution

The fourth proportional to 57,082,900.53, 78,774,453 and 30,977,417.82 is: 42,748,863.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,082,900.53 : 78,774,453 = 30,977,417.82 : x
  2. Step 2: Convert to fraction form
    57,082,900.53/78,774,453 = 30,977,417.82/x
  3. Step 3: Cross multiply
    57,082,900.53x = 78,774,453 × 30,977,417.82
  4. Step 4: Simplify right side
    57,082,900.53x = 2,440,229,144,122,952.50
  5. Step 5: Solve for x
    x = 2,440,229,144,122,952.50/57,082,900.53
  6. Step 6: Final answer
    x = 42,748,863.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.