Home / 159,955,720.34-220,738,840.28-86,616,862.34

Finding the Fourth Proportional to 159,955,720.34, 220,738,840.28 and 86,616,862.34

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Solution

The fourth proportional to 159,955,720.34, 220,738,840.28 and 86,616,862.34 is: 119,531,240.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,955,720.34 : 220,738,840.28 = 86,616,862.34 : x
  2. Step 2: Convert to fraction form
    159,955,720.34/220,738,840.28 = 86,616,862.34/x
  3. Step 3: Cross multiply
    159,955,720.34x = 220,738,840.28 × 86,616,862.34
  4. Step 4: Simplify right side
    159,955,720.34x = 19,119,705,740,087,228
  5. Step 5: Solve for x
    x = 19,119,705,740,087,228/159,955,720.34
  6. Step 6: Final answer
    x = 119,531,240.90

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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.