Home / 112,653,274.72-155,485,773.84-68,614,792.96

Finding the Fourth Proportional to 112,653,274.72, 155,485,773.84 and 68,614,792.96

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Solution

The fourth proportional to 112,653,274.72, 155,485,773.84 and 68,614,792.96 is: 94,703,187.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,653,274.72 : 155,485,773.84 = 68,614,792.96 : x
  2. Step 2: Convert to fraction form
    112,653,274.72/155,485,773.84 = 68,614,792.96/x
  3. Step 3: Cross multiply
    112,653,274.72x = 155,485,773.84 × 68,614,792.96
  4. Step 4: Simplify right side
    112,653,274.72x = 10,668,624,180,256,984
  5. Step 5: Solve for x
    x = 10,668,624,180,256,984/112,653,274.72
  6. Step 6: Final answer
    x = 94,703,187.34

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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.