Home / 159,831,108.88-220,566,930.32-86,492,250.88

Finding the Fourth Proportional to 159,831,108.88, 220,566,930.32 and 86,492,250.88

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Solution

The fourth proportional to 159,831,108.88, 220,566,930.32 and 86,492,250.88 is: 119,359,306.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,831,108.88 : 220,566,930.32 = 86,492,250.88 : x
  2. Step 2: Convert to fraction form
    159,831,108.88/220,566,930.32 = 86,492,250.88/x
  3. Step 3: Cross multiply
    159,831,108.88x = 220,566,930.32 × 86,492,250.88
  4. Step 4: Simplify right side
    159,831,108.88x = 19,077,330,273,068,916
  5. Step 5: Solve for x
    x = 19,077,330,273,068,916/159,831,108.88
  6. Step 6: Final answer
    x = 119,359,306.25

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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.