Home / 258,634,210.70-388,002,422.59-94,873,487.78

Finding the Fourth Proportional to 258,634,210.70, 388,002,422.59 and 94,873,487.78

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Solution

The fourth proportional to 258,634,210.70, 388,002,422.59 and 94,873,487.78 is: 142,328,978.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,634,210.70 : 388,002,422.59 = 94,873,487.78 : x
  2. Step 2: Convert to fraction form
    258,634,210.70/388,002,422.59 = 94,873,487.78/x
  3. Step 3: Cross multiply
    258,634,210.70x = 388,002,422.59 × 94,873,487.78
  4. Step 4: Simplify right side
    258,634,210.70x = 36,811,143,096,262,752
  5. Step 5: Solve for x
    x = 36,811,143,096,262,752/258,634,210.70
  6. Step 6: Final answer
    x = 142,328,978.82

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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.