Home / 156,162,763.03-215,504,633.06-86,552,637.91

Finding the Fourth Proportional to 156,162,763.03, 215,504,633.06 and 86,552,637.91

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Solution

The fourth proportional to 156,162,763.03, 215,504,633.06 and 86,552,637.91 is: 119,442,651.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,162,763.03 : 215,504,633.06 = 86,552,637.91 : x
  2. Step 2: Convert to fraction form
    156,162,763.03/215,504,633.06 = 86,552,637.91/x
  3. Step 3: Cross multiply
    156,162,763.03x = 215,504,633.06 × 86,552,637.91
  4. Step 4: Simplify right side
    156,162,763.03x = 18,652,494,473,169,596
  5. Step 5: Solve for x
    x = 18,652,494,473,169,596/156,162,763.03
  6. Step 6: Final answer
    x = 119,442,651.44

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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.