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Finding the Fourth Proportional to 224,438,973.60, 336,658,460.40 and 78,894,998.40

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Solution

The fourth proportional to 224,438,973.60, 336,658,460.40 and 78,894,998.40 is: 118,342,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,438,973.60 : 336,658,460.40 = 78,894,998.40 : x
  2. Step 2: Convert to fraction form
    224,438,973.60/336,658,460.40 = 78,894,998.40/x
  3. Step 3: Cross multiply
    224,438,973.60x = 336,658,460.40 × 78,894,998.40
  4. Step 4: Simplify right side
    224,438,973.60x = 26,560,668,694,604,464
  5. Step 5: Solve for x
    x = 26,560,668,694,604,464/224,438,973.60
  6. Step 6: Final answer
    x = 118,342,497.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.