Home / 136,743,294.40-205,065,175.20-68,563,326.40

Finding the Fourth Proportional to 136,743,294.40, 205,065,175.20 and 68,563,326.40

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Solution

The fourth proportional to 136,743,294.40, 205,065,175.20 and 68,563,326.40 is: 102,820,036.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,743,294.40 : 205,065,175.20 = 68,563,326.40 : x
  2. Step 2: Convert to fraction form
    136,743,294.40/205,065,175.20 = 68,563,326.40/x
  3. Step 3: Cross multiply
    136,743,294.40x = 205,065,175.20 × 68,563,326.40
  4. Step 4: Simplify right side
    136,743,294.40x = 14,059,950,540,510,786
  5. Step 5: Solve for x
    x = 14,059,950,540,510,786/136,743,294.40
  6. Step 6: Final answer
    x = 102,820,036.64

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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.