Home / 276,465,498.51-381,523,688.30-151,019,434.80

Finding the Fourth Proportional to 276,465,498.51, 381,523,688.30 and 151,019,434.80

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Solution

The fourth proportional to 276,465,498.51, 381,523,688.30 and 151,019,434.80 is: 208,407,530.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,465,498.51 : 381,523,688.30 = 151,019,434.80 : x
  2. Step 2: Convert to fraction form
    276,465,498.51/381,523,688.30 = 151,019,434.80/x
  3. Step 3: Cross multiply
    276,465,498.51x = 381,523,688.30 × 151,019,434.80
  4. Step 4: Simplify right side
    276,465,498.51x = 57,617,491,770,543,056
  5. Step 5: Solve for x
    x = 57,617,491,770,543,056/276,465,498.51
  6. Step 6: Final answer
    x = 208,407,530.35

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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.