Home / 205,882,879.50-308,823,645.66-74,724,980.17

Finding the Fourth Proportional to 205,882,879.50, 308,823,645.66 and 74,724,980.17

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Solution

The fourth proportional to 205,882,879.50, 308,823,645.66 and 74,724,980.17 is: 112,087,225.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,882,879.50 : 308,823,645.66 = 74,724,980.17 : x
  2. Step 2: Convert to fraction form
    205,882,879.50/308,823,645.66 = 74,724,980.17/x
  3. Step 3: Cross multiply
    205,882,879.50x = 308,823,645.66 × 74,724,980.17
  4. Step 4: Simplify right side
    205,882,879.50x = 23,076,840,797,601,988
  5. Step 5: Solve for x
    x = 23,076,840,797,601,988/205,882,879.50
  6. Step 6: Final answer
    x = 112,087,225.77

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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.