Home / 228,891,727.05-316,702,360.71-199,584,177.45

Finding the Fourth Proportional to 228,891,727.05, 316,702,360.71 and 199,584,177.45

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Solution

The fourth proportional to 228,891,727.05, 316,702,360.71 and 199,584,177.45 is: 276,151,440.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,891,727.05 : 316,702,360.71 = 199,584,177.45 : x
  2. Step 2: Convert to fraction form
    228,891,727.05/316,702,360.71 = 199,584,177.45/x
  3. Step 3: Cross multiply
    228,891,727.05x = 316,702,360.71 × 199,584,177.45
  4. Step 4: Simplify right side
    228,891,727.05x = 63,208,780,158,778,536
  5. Step 5: Solve for x
    x = 63,208,780,158,778,536/228,891,727.05
  6. Step 6: Final answer
    x = 276,151,440.57

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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.