Home / 205,882,881.50-308,823,648.66-74,724,982.16

Finding the Fourth Proportional to 205,882,881.50, 308,823,648.66 and 74,724,982.16

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Solution

The fourth proportional to 205,882,881.50, 308,823,648.66 and 74,724,982.16 is: 112,087,228.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,882,881.50 : 308,823,648.66 = 74,724,982.16 : x
  2. Step 2: Convert to fraction form
    205,882,881.50/308,823,648.66 = 74,724,982.16/x
  3. Step 3: Cross multiply
    205,882,881.50x = 308,823,648.66 × 74,724,982.16
  4. Step 4: Simplify right side
    205,882,881.50x = 23,076,841,636,704,608
  5. Step 5: Solve for x
    x = 23,076,841,636,704,608/205,882,881.50
  6. Step 6: Final answer
    x = 112,087,228.76

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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.