Home / 115,626,652.30-159,564,031.95-66,082,179.34

Finding the Fourth Proportional to 115,626,652.30, 159,564,031.95 and 66,082,179.34

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Solution

The fourth proportional to 115,626,652.30, 159,564,031.95 and 66,082,179.34 is: 91,192,979.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,626,652.30 : 159,564,031.95 = 66,082,179.34 : x
  2. Step 2: Convert to fraction form
    115,626,652.30/159,564,031.95 = 66,082,179.34/x
  3. Step 3: Cross multiply
    115,626,652.30x = 159,564,031.95 × 66,082,179.34
  4. Step 4: Simplify right side
    115,626,652.30x = 10,544,338,975,533,390
  5. Step 5: Solve for x
    x = 10,544,338,975,533,390/115,626,652.30
  6. Step 6: Final answer
    x = 91,192,979.87

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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.