Home / 165,981,457.94-248,973,134.94-68,937,165.59

Finding the Fourth Proportional to 165,981,457.94, 248,973,134.94 and 68,937,165.59

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Solution

The fourth proportional to 165,981,457.94, 248,973,134.94 and 68,937,165.59 is: 103,406,142.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,981,457.94 : 248,973,134.94 = 68,937,165.59 : x
  2. Step 2: Convert to fraction form
    165,981,457.94/248,973,134.94 = 68,937,165.59/x
  3. Step 3: Cross multiply
    165,981,457.94x = 248,973,134.94 × 68,937,165.59
  4. Step 4: Simplify right side
    165,981,457.94x = 17,163,502,229,575,328
  5. Step 5: Solve for x
    x = 17,163,502,229,575,328/165,981,457.94
  6. Step 6: Final answer
    x = 103,406,142.13

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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.