Home / 122,506,431.20-169,066,405.68-67,502,273.12

Finding the Fourth Proportional to 122,506,431.20, 169,066,405.68 and 67,502,273.12

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Solution

The fourth proportional to 122,506,431.20, 169,066,405.68 and 67,502,273.12 is: 93,157,286.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,506,431.20 : 169,066,405.68 = 67,502,273.12 : x
  2. Step 2: Convert to fraction form
    122,506,431.20/169,066,405.68 = 67,502,273.12/x
  3. Step 3: Cross multiply
    122,506,431.20x = 169,066,405.68 × 67,502,273.12
  4. Step 4: Simplify right side
    122,506,431.20x = 11,412,366,691,628,080
  5. Step 5: Solve for x
    x = 11,412,366,691,628,080/122,506,431.20
  6. Step 6: Final answer
    x = 93,157,286.36

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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.