Home / 137,579,632.42-206,460,250.32-72,928,838.32

Finding the Fourth Proportional to 137,579,632.42, 206,460,250.32 and 72,928,838.32

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Solution

The fourth proportional to 137,579,632.42, 206,460,250.32 and 72,928,838.32 is: 109,441,390.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,579,632.42 : 206,460,250.32 = 72,928,838.32 : x
  2. Step 2: Convert to fraction form
    137,579,632.42/206,460,250.32 = 72,928,838.32/x
  3. Step 3: Cross multiply
    137,579,632.42x = 206,460,250.32 × 72,928,838.32
  4. Step 4: Simplify right side
    137,579,632.42x = 15,056,906,215,094,006
  5. Step 5: Solve for x
    x = 15,056,906,215,094,006/137,579,632.42
  6. Step 6: Final answer
    x = 109,441,390.05

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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.