Home / 137,070,664.56-205,585,772.49-40,000,308.69

Finding the Fourth Proportional to 137,070,664.56, 205,585,772.49 and 40,000,308.69

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Solution

The fourth proportional to 137,070,664.56, 205,585,772.49 and 40,000,308.69 is: 59,994,561.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,070,664.56 : 205,585,772.49 = 40,000,308.69 : x
  2. Step 2: Convert to fraction form
    137,070,664.56/205,585,772.49 = 40,000,308.69/x
  3. Step 3: Cross multiply
    137,070,664.56x = 205,585,772.49 × 40,000,308.69
  4. Step 4: Simplify right side
    137,070,664.56x = 8,223,494,361,872,110
  5. Step 5: Solve for x
    x = 8,223,494,361,872,110/137,070,664.56
  6. Step 6: Final answer
    x = 59,994,561.11

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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.