Home / 104,238,165.89-143,788,904.41-65,011,841.07

Finding the Fourth Proportional to 104,238,165.89, 143,788,904.41 and 65,011,841.07

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Solution

The fourth proportional to 104,238,165.89, 143,788,904.41 and 65,011,841.07 is: 89,679,066.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,238,165.89 : 143,788,904.41 = 65,011,841.07 : x
  2. Step 2: Convert to fraction form
    104,238,165.89/143,788,904.41 = 65,011,841.07/x
  3. Step 3: Cross multiply
    104,238,165.89x = 143,788,904.41 × 65,011,841.07
  4. Step 4: Simplify right side
    104,238,165.89x = 9,347,981,401,132,342
  5. Step 5: Solve for x
    x = 9,347,981,401,132,342/104,238,165.89
  6. Step 6: Final answer
    x = 89,679,066.41

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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.