Home / 171,872,894.54-257,806,790.40-42,480,497.54

Finding the Fourth Proportional to 171,872,894.54, 257,806,790.40 and 42,480,497.54

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Solution

The fourth proportional to 171,872,894.54, 257,806,790.40 and 42,480,497.54 is: 63,720,115.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,872,894.54 : 257,806,790.40 = 42,480,497.54 : x
  2. Step 2: Convert to fraction form
    171,872,894.54/257,806,790.40 = 42,480,497.54/x
  3. Step 3: Cross multiply
    171,872,894.54x = 257,806,790.40 × 42,480,497.54
  4. Step 4: Simplify right side
    171,872,894.54x = 10,951,760,725,382,496
  5. Step 5: Solve for x
    x = 10,951,760,725,382,496/171,872,894.54
  6. Step 6: Final answer
    x = 63,720,115.70

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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.