Home / 142,018,529.70-213,027,794.55-73,143,776.10

Finding the Fourth Proportional to 142,018,529.70, 213,027,794.55 and 73,143,776.10

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Solution

The fourth proportional to 142,018,529.70, 213,027,794.55 and 73,143,776.10 is: 109,715,664.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,018,529.70 : 213,027,794.55 = 73,143,776.10 : x
  2. Step 2: Convert to fraction form
    142,018,529.70/213,027,794.55 = 73,143,776.10/x
  3. Step 3: Cross multiply
    142,018,529.70x = 213,027,794.55 × 73,143,776.10
  4. Step 4: Simplify right side
    142,018,529.70x = 15,581,657,307,642,000
  5. Step 5: Solve for x
    x = 15,581,657,307,642,000/142,018,529.70
  6. Step 6: Final answer
    x = 109,715,664.15

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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.