Home / 105,018,287.40-144,933,249.38-57,984,428.48

Finding the Fourth Proportional to 105,018,287.40, 144,933,249.38 and 57,984,428.48

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Solution

The fourth proportional to 105,018,287.40, 144,933,249.38 and 57,984,428.48 is: 80,022,935.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,018,287.40 : 144,933,249.38 = 57,984,428.48 : x
  2. Step 2: Convert to fraction form
    105,018,287.40/144,933,249.38 = 57,984,428.48/x
  3. Step 3: Cross multiply
    105,018,287.40x = 144,933,249.38 × 57,984,428.48
  4. Step 4: Simplify right side
    105,018,287.40x = 8,403,871,632,034,026
  5. Step 5: Solve for x
    x = 8,403,871,632,034,026/105,018,287.40
  6. Step 6: Final answer
    x = 80,022,935.43

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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.