Home / 156,161,293.32-215,502,605.22-86,551,168.36

Finding the Fourth Proportional to 156,161,293.32, 215,502,605.22 and 86,551,168.36

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Solution

The fourth proportional to 156,161,293.32, 215,502,605.22 and 86,551,168.36 is: 119,440,623.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,161,293.32 : 215,502,605.22 = 86,551,168.36 : x
  2. Step 2: Convert to fraction form
    156,161,293.32/215,502,605.22 = 86,551,168.36/x
  3. Step 3: Cross multiply
    156,161,293.32x = 215,502,605.22 × 86,551,168.36
  4. Step 4: Simplify right side
    156,161,293.32x = 18,652,002,266,414,836
  5. Step 5: Solve for x
    x = 18,652,002,266,414,836/156,161,293.32
  6. Step 6: Final answer
    x = 119,440,623.66

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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.