Home / 104,238,163.89-143,788,901.65-65,011,839.07

Finding the Fourth Proportional to 104,238,163.89, 143,788,901.65 and 65,011,839.07

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Solution

The fourth proportional to 104,238,163.89, 143,788,901.65 and 65,011,839.07 is: 89,679,063.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,238,163.89 : 143,788,901.65 = 65,011,839.07 : x
  2. Step 2: Convert to fraction form
    104,238,163.89/143,788,901.65 = 65,011,839.07/x
  3. Step 3: Cross multiply
    104,238,163.89x = 143,788,901.65 × 65,011,839.07
  4. Step 4: Simplify right side
    104,238,163.89x = 9,347,980,934,121,858
  5. Step 5: Solve for x
    x = 9,347,980,934,121,858/104,238,163.89
  6. Step 6: Final answer
    x = 89,679,063.65

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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.