Home / 234,399,200.86-323,476,836.54-128,556,830.32

Finding the Fourth Proportional to 234,399,200.86, 323,476,836.54 and 128,556,830.32

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Solution

The fourth proportional to 234,399,200.86, 323,476,836.54 and 128,556,830.32 is: 177,411,683.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,399,200.86 : 323,476,836.54 = 128,556,830.32 : x
  2. Step 2: Convert to fraction form
    234,399,200.86/323,476,836.54 = 128,556,830.32/x
  3. Step 3: Cross multiply
    234,399,200.86x = 323,476,836.54 × 128,556,830.32
  4. Step 4: Simplify right side
    234,399,200.86x = 41,585,156,787,523,160
  5. Step 5: Solve for x
    x = 41,585,156,787,523,160/234,399,200.86
  6. Step 6: Final answer
    x = 177,411,683.29

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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.