Home / 156,960,546-235,372,118.04-79,189,601.28

Finding the Fourth Proportional to 156,960,546, 235,372,118.04 and 79,189,601.28

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Solution

The fourth proportional to 156,960,546, 235,372,118.04 and 79,189,601.28 is: 118,749,740.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,960,546 : 235,372,118.04 = 79,189,601.28 : x
  2. Step 2: Convert to fraction form
    156,960,546/235,372,118.04 = 79,189,601.28/x
  3. Step 3: Cross multiply
    156,960,546x = 235,372,118.04 × 79,189,601.28
  4. Step 4: Simplify right side
    156,960,546x = 18,639,024,180,016,696
  5. Step 5: Solve for x
    x = 18,639,024,180,016,696/156,960,546
  6. Step 6: Final answer
    x = 118,749,740.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.