Home / 159,831,216.48-220,567,079.52-86,492,359.20

Finding the Fourth Proportional to 159,831,216.48, 220,567,079.52 and 86,492,359.20

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Solution

The fourth proportional to 159,831,216.48, 220,567,079.52 and 86,492,359.20 is: 119,359,456.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,831,216.48 : 220,567,079.52 = 86,492,359.20 : x
  2. Step 2: Convert to fraction form
    159,831,216.48/220,567,079.52 = 86,492,359.20/x
  3. Step 3: Cross multiply
    159,831,216.48x = 220,567,079.52 × 86,492,359.20
  4. Step 4: Simplify right side
    159,831,216.48x = 19,077,367,069,538,804
  5. Step 5: Solve for x
    x = 19,077,367,069,538,804/159,831,216.48
  6. Step 6: Final answer
    x = 119,359,456.12

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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.