Home / 228,368,649.16-315,149,030.94-123,946,708.60

Finding the Fourth Proportional to 228,368,649.16, 315,149,030.94 and 123,946,708.60

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Solution

The fourth proportional to 228,368,649.16, 315,149,030.94 and 123,946,708.60 is: 171,046,618.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,368,649.16 : 315,149,030.94 = 123,946,708.60 : x
  2. Step 2: Convert to fraction form
    228,368,649.16/315,149,030.94 = 123,946,708.60/x
  3. Step 3: Cross multiply
    228,368,649.16x = 315,149,030.94 × 123,946,708.60
  4. Step 4: Simplify right side
    228,368,649.16x = 39,061,685,103,492,560
  5. Step 5: Solve for x
    x = 39,061,685,103,492,560/228,368,649.16
  6. Step 6: Final answer
    x = 171,046,618.03

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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.