Home / 187,074,633.51-280,468,903.32-113,282,353.31

Finding the Fourth Proportional to 187,074,633.51, 280,468,903.32 and 113,282,353.31

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Solution

The fourth proportional to 187,074,633.51, 280,468,903.32 and 113,282,353.31 is: 169,836,908.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,074,633.51 : 280,468,903.32 = 113,282,353.31 : x
  2. Step 2: Convert to fraction form
    187,074,633.51/280,468,903.32 = 113,282,353.31/x
  3. Step 3: Cross multiply
    187,074,633.51x = 280,468,903.32 × 113,282,353.31
  4. Step 4: Simplify right side
    187,074,633.51x = 31,772,177,396,962,128
  5. Step 5: Solve for x
    x = 31,772,177,396,962,128/187,074,633.51
  6. Step 6: Final answer
    x = 169,836,908.41

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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.