Home / 101,499,618.27-140,325,633.72-74,996,170.32

Finding the Fourth Proportional to 101,499,618.27, 140,325,633.72 and 74,996,170.32

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Solution

The fourth proportional to 101,499,618.27, 140,325,633.72 and 74,996,170.32 is: 103,683,987.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,499,618.27 : 140,325,633.72 = 74,996,170.32 : x
  2. Step 2: Convert to fraction form
    101,499,618.27/140,325,633.72 = 74,996,170.32/x
  3. Step 3: Cross multiply
    101,499,618.27x = 140,325,633.72 × 74,996,170.32
  4. Step 4: Simplify right side
    101,499,618.27x = 10,523,885,126,727,054
  5. Step 5: Solve for x
    x = 10,523,885,126,727,054/101,499,618.27
  6. Step 6: Final answer
    x = 103,683,987.25

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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.