Home / 54,978,056.97-75,867,639.96-30,533,345.61

Finding the Fourth Proportional to 54,978,056.97, 75,867,639.96 and 30,533,345.61

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Solution

The fourth proportional to 54,978,056.97, 75,867,639.96 and 30,533,345.61 is: 42,134,862.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,978,056.97 : 75,867,639.96 = 30,533,345.61 : x
  2. Step 2: Convert to fraction form
    54,978,056.97/75,867,639.96 = 30,533,345.61/x
  3. Step 3: Cross multiply
    54,978,056.97x = 75,867,639.96 × 30,533,345.61
  4. Step 4: Simplify right side
    54,978,056.97x = 2,316,492,871,513,726.50
  5. Step 5: Solve for x
    x = 2,316,492,871,513,726.50/54,978,056.97
  6. Step 6: Final answer
    x = 42,134,862.51

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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.