Home / 228,080,606.31-314,757,875.16-128,959,224.48

Finding the Fourth Proportional to 228,080,606.31, 314,757,875.16 and 128,959,224.48

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Solution

The fourth proportional to 228,080,606.31, 314,757,875.16 and 128,959,224.48 is: 177,967,483.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,080,606.31 : 314,757,875.16 = 128,959,224.48 : x
  2. Step 2: Convert to fraction form
    228,080,606.31/314,757,875.16 = 128,959,224.48/x
  3. Step 3: Cross multiply
    228,080,606.31x = 314,757,875.16 × 128,959,224.48
  4. Step 4: Simplify right side
    228,080,606.31x = 40,590,931,479,606,264
  5. Step 5: Solve for x
    x = 40,590,931,479,606,264/228,080,606.31
  6. Step 6: Final answer
    x = 177,967,483.23

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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.