Home / 139,874,612.40-209,587,969.80-88,664,986.80

Finding the Fourth Proportional to 139,874,612.40, 209,587,969.80 and 88,664,986.80

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Solution

The fourth proportional to 139,874,612.40, 209,587,969.80 and 88,664,986.80 is: 132,855,521.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,874,612.40 : 209,587,969.80 = 88,664,986.80 : x
  2. Step 2: Convert to fraction form
    139,874,612.40/209,587,969.80 = 88,664,986.80/x
  3. Step 3: Cross multiply
    139,874,612.40x = 209,587,969.80 × 88,664,986.80
  4. Step 4: Simplify right side
    139,874,612.40x = 18,583,114,575,755,800
  5. Step 5: Solve for x
    x = 18,583,114,575,755,800/139,874,612.40
  6. Step 6: Final answer
    x = 132,855,521.51

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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.