Home / 159,831,215.48-220,567,078.14-86,492,358.20

Finding the Fourth Proportional to 159,831,215.48, 220,567,078.14 and 86,492,358.20

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Solution

The fourth proportional to 159,831,215.48, 220,567,078.14 and 86,492,358.20 is: 119,359,454.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,831,215.48 : 220,567,078.14 = 86,492,358.20 : x
  2. Step 2: Convert to fraction form
    159,831,215.48/220,567,078.14 = 86,492,358.20/x
  3. Step 3: Cross multiply
    159,831,215.48x = 220,567,078.14 × 86,492,358.20
  4. Step 4: Simplify right side
    159,831,215.48x = 19,077,366,729,612,268
  5. Step 5: Solve for x
    x = 19,077,366,729,612,268/159,831,215.48
  6. Step 6: Final answer
    x = 119,359,454.74

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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.