Home / 205,910,807.40-308,907,683.10-60,344,087.40

Finding the Fourth Proportional to 205,910,807.40, 308,907,683.10 and 60,344,087.40

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Solution

The fourth proportional to 205,910,807.40, 308,907,683.10 and 60,344,087.40 is: 90,528,284.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,910,807.40 : 308,907,683.10 = 60,344,087.40 : x
  2. Step 2: Convert to fraction form
    205,910,807.40/308,907,683.10 = 60,344,087.40/x
  3. Step 3: Cross multiply
    205,910,807.40x = 308,907,683.10 × 60,344,087.40
  4. Step 4: Simplify right side
    205,910,807.40x = 18,640,752,227,517,904
  5. Step 5: Solve for x
    x = 18,640,752,227,517,904/205,910,807.40
  6. Step 6: Final answer
    x = 90,528,284.86

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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.