Home / 149,135,044.17-205,831,405.07-86,450,353.37

Finding the Fourth Proportional to 149,135,044.17, 205,831,405.07 and 86,450,353.37

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Solution

The fourth proportional to 149,135,044.17, 205,831,405.07 and 86,450,353.37 is: 119,316,005.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,135,044.17 : 205,831,405.07 = 86,450,353.37 : x
  2. Step 2: Convert to fraction form
    149,135,044.17/205,831,405.07 = 86,450,353.37/x
  3. Step 3: Cross multiply
    149,135,044.17x = 205,831,405.07 × 86,450,353.37
  4. Step 4: Simplify right side
    149,135,044.17x = 17,794,197,702,132,076
  5. Step 5: Solve for x
    x = 17,794,197,702,132,076/149,135,044.17
  6. Step 6: Final answer
    x = 119,316,005.18

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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.