Home / 159,831,112.64-220,566,936.16-86,492,255.36

Finding the Fourth Proportional to 159,831,112.64, 220,566,936.16 and 86,492,255.36

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Solution

The fourth proportional to 159,831,112.64, 220,566,936.16 and 86,492,255.36 is: 119,359,312.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,831,112.64 : 220,566,936.16 = 86,492,255.36 : x
  2. Step 2: Convert to fraction form
    159,831,112.64/220,566,936.16 = 86,492,255.36/x
  3. Step 3: Cross multiply
    159,831,112.64x = 220,566,936.16 × 86,492,255.36
  4. Step 4: Simplify right side
    159,831,112.64x = 19,077,331,766,323,536
  5. Step 5: Solve for x
    x = 19,077,331,766,323,536/159,831,112.64
  6. Step 6: Final answer
    x = 119,359,312.78

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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.