Home / 78,457,769.64-117,713,139.33-34,732,496.66

Finding the Fourth Proportional to 78,457,769.64, 117,713,139.33 and 34,732,496.66

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Solution

The fourth proportional to 78,457,769.64, 117,713,139.33 and 34,732,496.66 is: 52,110,469.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,457,769.64 : 117,713,139.33 = 34,732,496.66 : x
  2. Step 2: Convert to fraction form
    78,457,769.64/117,713,139.33 = 34,732,496.66/x
  3. Step 3: Cross multiply
    78,457,769.64x = 117,713,139.33 × 34,732,496.66
  4. Step 4: Simplify right side
    78,457,769.64x = 4,088,471,218,159,021
  5. Step 5: Solve for x
    x = 4,088,471,218,159,021/78,457,769.64
  6. Step 6: Final answer
    x = 52,110,469.58

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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.