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Finding the Fourth Proportional to 46,984,223.70, 70,476,335.55 and 25,460,863.20

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Solution

The fourth proportional to 46,984,223.70, 70,476,335.55 and 25,460,863.20 is: 38,191,294.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,984,223.70 : 70,476,335.55 = 25,460,863.20 : x
  2. Step 2: Convert to fraction form
    46,984,223.70/70,476,335.55 = 25,460,863.20/x
  3. Step 3: Cross multiply
    46,984,223.70x = 70,476,335.55 × 25,460,863.20
  4. Step 4: Simplify right side
    46,984,223.70x = 1,794,388,338,275,846.75
  5. Step 5: Solve for x
    x = 1,794,388,338,275,846.75/46,984,223.70
  6. Step 6: Final answer
    x = 38,191,294.80

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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.