Home / 156,047,029.16-215,344,896.22-86,436,894.04

Finding the Fourth Proportional to 156,047,029.16, 215,344,896.22 and 86,436,894.04

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Solution

The fourth proportional to 156,047,029.16, 215,344,896.22 and 86,436,894.04 is: 119,282,911.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,047,029.16 : 215,344,896.22 = 86,436,894.04 : x
  2. Step 2: Convert to fraction form
    156,047,029.16/215,344,896.22 = 86,436,894.04/x
  3. Step 3: Cross multiply
    156,047,029.16x = 215,344,896.22 × 86,436,894.04
  4. Step 4: Simplify right side
    156,047,029.16x = 18,613,743,976,622,936
  5. Step 5: Solve for x
    x = 18,613,743,976,622,936/156,047,029.16
  6. Step 6: Final answer
    x = 119,282,911.55

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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.