Home / 145,212,335.40-217,734,522.30-54,345,109.80

Finding the Fourth Proportional to 145,212,335.40, 217,734,522.30 and 54,345,109.80

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Solution

The fourth proportional to 145,212,335.40, 217,734,522.30 and 54,345,109.80 is: 81,486,235.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,212,335.40 : 217,734,522.30 = 54,345,109.80 : x
  2. Step 2: Convert to fraction form
    145,212,335.40/217,734,522.30 = 54,345,109.80/x
  3. Step 3: Cross multiply
    145,212,335.40x = 217,734,522.30 × 54,345,109.80
  4. Step 4: Simplify right side
    145,212,335.40x = 11,832,806,521,644,048
  5. Step 5: Solve for x
    x = 11,832,806,521,644,048/145,212,335.40
  6. Step 6: Final answer
    x = 81,486,235.24

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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.