Home / 159,831,212.28-220,567,073.31-86,492,354.28

Finding the Fourth Proportional to 159,831,212.28, 220,567,073.31 and 86,492,354.28

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Solution

The fourth proportional to 159,831,212.28, 220,567,073.31 and 86,492,354.28 is: 119,359,449.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,831,212.28 : 220,567,073.31 = 86,492,354.28 : x
  2. Step 2: Convert to fraction form
    159,831,212.28/220,567,073.31 = 86,492,354.28/x
  3. Step 3: Cross multiply
    159,831,212.28x = 220,567,073.31 × 86,492,354.28
  4. Step 4: Simplify right side
    159,831,212.28x = 19,077,365,447,231,252
  5. Step 5: Solve for x
    x = 19,077,365,447,231,252/159,831,212.28
  6. Step 6: Final answer
    x = 119,359,449.10

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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.