Home / 256,815,581.88-354,401,033.64-156,307,688.52

Finding the Fourth Proportional to 256,815,581.88, 354,401,033.64 and 156,307,688.52

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Solution

The fourth proportional to 256,815,581.88, 354,401,033.64 and 156,307,688.52 is: 215,701,889.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,815,581.88 : 354,401,033.64 = 156,307,688.52 : x
  2. Step 2: Convert to fraction form
    256,815,581.88/354,401,033.64 = 156,307,688.52/x
  3. Step 3: Cross multiply
    256,815,581.88x = 354,401,033.64 × 156,307,688.52
  4. Step 4: Simplify right side
    256,815,581.88x = 55,395,606,377,367,160
  5. Step 5: Solve for x
    x = 55,395,606,377,367,160/256,815,581.88
  6. Step 6: Final answer
    x = 215,701,889.94

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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.