Home / 104,238,165.26-143,788,903.52-65,011,840.45

Finding the Fourth Proportional to 104,238,165.26, 143,788,903.52 and 65,011,840.45

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Solution

The fourth proportional to 104,238,165.26, 143,788,903.52 and 65,011,840.45 is: 89,679,065.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,238,165.26 : 143,788,903.52 = 65,011,840.45 : x
  2. Step 2: Convert to fraction form
    104,238,165.26/143,788,903.52 = 65,011,840.45/x
  3. Step 3: Cross multiply
    104,238,165.26x = 143,788,903.52 × 65,011,840.45
  4. Step 4: Simplify right side
    104,238,165.26x = 9,347,981,253,438,150
  5. Step 5: Solve for x
    x = 9,347,981,253,438,150/104,238,165.26
  6. Step 6: Final answer
    x = 89,679,065.53

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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.