Home / 104,238,110.70-143,788,827.78-65,011,786.20

Finding the Fourth Proportional to 104,238,110.70, 143,788,827.78 and 65,011,786.20

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Solution

The fourth proportional to 104,238,110.70, 143,788,827.78 and 65,011,786.20 is: 89,678,990.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,238,110.70 : 143,788,827.78 = 65,011,786.20 : x
  2. Step 2: Convert to fraction form
    104,238,110.70/143,788,827.78 = 65,011,786.20/x
  3. Step 3: Cross multiply
    104,238,110.70x = 143,788,827.78 × 65,011,786.20
  4. Step 4: Simplify right side
    104,238,110.70x = 9,347,968,529,581,982
  5. Step 5: Solve for x
    x = 9,347,968,529,581,982/104,238,110.70
  6. Step 6: Final answer
    x = 89,678,990.41

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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.