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Finding the Fourth Proportional to 46,981,798.40, 70,451,702.40 and 18,218,374.40

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Solution

The fourth proportional to 46,981,798.40, 70,451,702.40 and 18,218,374.40 is: 27,319,420.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,981,798.40 : 70,451,702.40 = 18,218,374.40 : x
  2. Step 2: Convert to fraction form
    46,981,798.40/70,451,702.40 = 18,218,374.40/x
  3. Step 3: Cross multiply
    46,981,798.40x = 70,451,702.40 × 18,218,374.40
  4. Step 4: Simplify right side
    46,981,798.40x = 1,283,515,491,440,578.50
  5. Step 5: Solve for x
    x = 1,283,515,491,440,578.50/46,981,798.40
  6. Step 6: Final answer
    x = 27,319,420.18

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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.