Home / 142,018,515.70-213,027,773.55-73,143,762.10

Finding the Fourth Proportional to 142,018,515.70, 213,027,773.55 and 73,143,762.10

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Solution

The fourth proportional to 142,018,515.70, 213,027,773.55 and 73,143,762.10 is: 109,715,643.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,018,515.70 : 213,027,773.55 = 73,143,762.10 : x
  2. Step 2: Convert to fraction form
    142,018,515.70/213,027,773.55 = 73,143,762.10/x
  3. Step 3: Cross multiply
    142,018,515.70x = 213,027,773.55 × 73,143,762.10
  4. Step 4: Simplify right side
    142,018,515.70x = 15,581,652,789,233,872
  5. Step 5: Solve for x
    x = 15,581,652,789,233,872/142,018,515.70
  6. Step 6: Final answer
    x = 109,715,643.15

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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.