Home / 156,161,294.32-215,502,606.60-86,551,169.36

Finding the Fourth Proportional to 156,161,294.32, 215,502,606.60 and 86,551,169.36

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Solution

The fourth proportional to 156,161,294.32, 215,502,606.60 and 86,551,169.36 is: 119,440,625.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,161,294.32 : 215,502,606.60 = 86,551,169.36 : x
  2. Step 2: Convert to fraction form
    156,161,294.32/215,502,606.60 = 86,551,169.36/x
  3. Step 3: Cross multiply
    156,161,294.32x = 215,502,606.60 × 86,551,169.36
  4. Step 4: Simplify right side
    156,161,294.32x = 18,652,002,601,358,052
  5. Step 5: Solve for x
    x = 18,652,002,601,358,052/156,161,294.32
  6. Step 6: Final answer
    x = 119,440,625.04

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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.