Home / 300,487,506.43-450,761,702.68-103,725,274.27

Finding the Fourth Proportional to 300,487,506.43, 450,761,702.68 and 103,725,274.27

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Solution

The fourth proportional to 300,487,506.43, 450,761,702.68 and 103,725,274.27 is: 155,598,420.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,487,506.43 : 450,761,702.68 = 103,725,274.27 : x
  2. Step 2: Convert to fraction form
    300,487,506.43/450,761,702.68 = 103,725,274.27/x
  3. Step 3: Cross multiply
    300,487,506.43x = 450,761,702.68 × 103,725,274.27
  4. Step 4: Simplify right side
    300,487,506.43x = 46,755,381,238,382,072
  5. Step 5: Solve for x
    x = 46,755,381,238,382,072/300,487,506.43
  6. Step 6: Final answer
    x = 155,598,420.03

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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.