Home / 159,831,296.22-220,567,189.23-86,492,438.22

Finding the Fourth Proportional to 159,831,296.22, 220,567,189.23 and 86,492,438.22

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Solution

The fourth proportional to 159,831,296.22, 220,567,189.23 and 86,492,438.22 is: 119,359,564.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,831,296.22 : 220,567,189.23 = 86,492,438.22 : x
  2. Step 2: Convert to fraction form
    159,831,296.22/220,567,189.23 = 86,492,438.22/x
  3. Step 3: Cross multiply
    159,831,296.22x = 220,567,189.23 × 86,492,438.22
  4. Step 4: Simplify right side
    159,831,296.22x = 19,077,393,987,834,824
  5. Step 5: Solve for x
    x = 19,077,393,987,834,824/159,831,296.22
  6. Step 6: Final answer
    x = 119,359,564.99

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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.