Home / 135,395,551.90-186,840,621.54-73,514,474.38

Finding the Fourth Proportional to 135,395,551.90, 186,840,621.54 and 73,514,474.38

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Solution

The fourth proportional to 135,395,551.90, 186,840,621.54 and 73,514,474.38 is: 101,447,129.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,395,551.90 : 186,840,621.54 = 73,514,474.38 : x
  2. Step 2: Convert to fraction form
    135,395,551.90/186,840,621.54 = 73,514,474.38/x
  3. Step 3: Cross multiply
    135,395,551.90x = 186,840,621.54 × 73,514,474.38
  4. Step 4: Simplify right side
    135,395,551.90x = 13,735,490,085,345,604
  5. Step 5: Solve for x
    x = 13,735,490,085,345,604/135,395,551.90
  6. Step 6: Final answer
    x = 101,447,129.49

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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.