Home / 228,080,537.28-314,757,782.24-128,959,156.80

Finding the Fourth Proportional to 228,080,537.28, 314,757,782.24 and 128,959,156.80

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Solution

The fourth proportional to 228,080,537.28, 314,757,782.24 and 128,959,156.80 is: 177,967,391.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,080,537.28 : 314,757,782.24 = 128,959,156.80 : x
  2. Step 2: Convert to fraction form
    228,080,537.28/314,757,782.24 = 128,959,156.80/x
  3. Step 3: Cross multiply
    228,080,537.28x = 314,757,782.24 × 128,959,156.80
  4. Step 4: Simplify right side
    228,080,537.28x = 40,590,898,193,908,416
  5. Step 5: Solve for x
    x = 40,590,898,193,908,416/228,080,537.28
  6. Step 6: Final answer
    x = 177,967,391.16

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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.