Home / 147,049,899.28-220,538,090.91-43,398,532.38

Finding the Fourth Proportional to 147,049,899.28, 220,538,090.91 and 43,398,532.38

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Solution

The fourth proportional to 147,049,899.28, 220,538,090.91 and 43,398,532.38 is: 65,086,950.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,049,899.28 : 220,538,090.91 = 43,398,532.38 : x
  2. Step 2: Convert to fraction form
    147,049,899.28/220,538,090.91 = 43,398,532.38/x
  3. Step 3: Cross multiply
    147,049,899.28x = 220,538,090.91 × 43,398,532.38
  4. Step 4: Simplify right side
    147,049,899.28x = 9,571,029,478,143,598
  5. Step 5: Solve for x
    x = 9,571,029,478,143,598/147,049,899.28
  6. Step 6: Final answer
    x = 65,086,950.25

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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.