Home / 72,114,146.61-108,279,279.69-62,428,634.37

Finding the Fourth Proportional to 72,114,146.61, 108,279,279.69 and 62,428,634.37

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Solution

The fourth proportional to 72,114,146.61, 108,279,279.69 and 62,428,634.37 is: 93,736,498.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,114,146.61 : 108,279,279.69 = 62,428,634.37 : x
  2. Step 2: Convert to fraction form
    72,114,146.61/108,279,279.69 = 62,428,634.37/x
  3. Step 3: Cross multiply
    72,114,146.61x = 108,279,279.69 × 62,428,634.37
  4. Step 4: Simplify right side
    72,114,146.61x = 6,759,727,561,613,977
  5. Step 5: Solve for x
    x = 6,759,727,561,613,977/72,114,146.61
  6. Step 6: Final answer
    x = 93,736,498.03

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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.