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Finding the Fourth Proportional to 224,396,978.40, 336,312,032.40 and 109,133,330.40

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Solution

The fourth proportional to 224,396,978.40, 336,312,032.40 and 109,133,330.40 is: 163,562,149.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,396,978.40 : 336,312,032.40 = 109,133,330.40 : x
  2. Step 2: Convert to fraction form
    224,396,978.40/336,312,032.40 = 109,133,330.40/x
  3. Step 3: Cross multiply
    224,396,978.40x = 336,312,032.40 × 109,133,330.40
  4. Step 4: Simplify right side
    224,396,978.40x = 36,702,852,149,404,704
  5. Step 5: Solve for x
    x = 36,702,852,149,404,704/224,396,978.40
  6. Step 6: Final answer
    x = 163,562,149.59

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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.