Home / 205,683,153.34-308,459,917.94-67,476,554.58

Finding the Fourth Proportional to 205,683,153.34, 308,459,917.94 and 67,476,554.58

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Solution

The fourth proportional to 205,683,153.34, 308,459,917.94 and 67,476,554.58 is: 101,193,569.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,683,153.34 : 308,459,917.94 = 67,476,554.58 : x
  2. Step 2: Convert to fraction form
    205,683,153.34/308,459,917.94 = 67,476,554.58/x
  3. Step 3: Cross multiply
    205,683,153.34x = 308,459,917.94 × 67,476,554.58
  4. Step 4: Simplify right side
    205,683,153.34x = 20,813,812,489,440,072
  5. Step 5: Solve for x
    x = 20,813,812,489,440,072/205,683,153.34
  6. Step 6: Final answer
    x = 101,193,569.58

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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.