Home / 142,097,436.48-196,099,217.28-87,082,668.48

Finding the Fourth Proportional to 142,097,436.48, 196,099,217.28 and 87,082,668.48

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Solution

The fourth proportional to 142,097,436.48, 196,099,217.28 and 87,082,668.48 is: 120,176,996.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,097,436.48 : 196,099,217.28 = 87,082,668.48 : x
  2. Step 2: Convert to fraction form
    142,097,436.48/196,099,217.28 = 87,082,668.48/x
  3. Step 3: Cross multiply
    142,097,436.48x = 196,099,217.28 × 87,082,668.48
  4. Step 4: Simplify right side
    142,097,436.48x = 17,076,843,127,581,728
  5. Step 5: Solve for x
    x = 17,076,843,127,581,728/142,097,436.48
  6. Step 6: Final answer
    x = 120,176,996.51

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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.