Home / 127,965,247.29-176,613,158.03-78,433,173.81

Finding the Fourth Proportional to 127,965,247.29, 176,613,158.03 and 78,433,173.81

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Solution

The fourth proportional to 127,965,247.29, 176,613,158.03 and 78,433,173.81 is: 108,250,722.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,965,247.29 : 176,613,158.03 = 78,433,173.81 : x
  2. Step 2: Convert to fraction form
    127,965,247.29/176,613,158.03 = 78,433,173.81/x
  3. Step 3: Cross multiply
    127,965,247.29x = 176,613,158.03 × 78,433,173.81
  4. Step 4: Simplify right side
    127,965,247.29x = 13,852,330,520,507,822
  5. Step 5: Solve for x
    x = 13,852,330,520,507,822/127,965,247.29
  6. Step 6: Final answer
    x = 108,250,722.86

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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.