Home / 228,106,147.86-314,792,673.72-129,001,715.25

Finding the Fourth Proportional to 228,106,147.86, 314,792,673.72 and 129,001,715.25

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Solution

The fourth proportional to 228,106,147.86, 314,792,673.72 and 129,001,715.25 is: 178,025,867.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,106,147.86 : 314,792,673.72 = 129,001,715.25 : x
  2. Step 2: Convert to fraction form
    228,106,147.86/314,792,673.72 = 129,001,715.25/x
  3. Step 3: Cross multiply
    228,106,147.86x = 314,792,673.72 × 129,001,715.25
  4. Step 4: Simplify right side
    228,106,147.86x = 40,608,794,857,529,840
  5. Step 5: Solve for x
    x = 40,608,794,857,529,840/228,106,147.86
  6. Step 6: Final answer
    x = 178,025,867.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.