Home / 159,831,214.48-220,567,076.76-86,492,357.20

Finding the Fourth Proportional to 159,831,214.48, 220,567,076.76 and 86,492,357.20

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Solution

The fourth proportional to 159,831,214.48, 220,567,076.76 and 86,492,357.20 is: 119,359,453.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,831,214.48 : 220,567,076.76 = 86,492,357.20 : x
  2. Step 2: Convert to fraction form
    159,831,214.48/220,567,076.76 = 86,492,357.20/x
  3. Step 3: Cross multiply
    159,831,214.48x = 220,567,076.76 × 86,492,357.20
  4. Step 4: Simplify right side
    159,831,214.48x = 19,077,366,389,685,740
  5. Step 5: Solve for x
    x = 19,077,366,389,685,740/159,831,214.48
  6. Step 6: Final answer
    x = 119,359,453.36

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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.