Home / 179,354,712.40-269,032,068.60-135,989,126.80

Finding the Fourth Proportional to 179,354,712.40, 269,032,068.60 and 135,989,126.80

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Solution

The fourth proportional to 179,354,712.40, 269,032,068.60 and 135,989,126.80 is: 203,983,690.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,354,712.40 : 269,032,068.60 = 135,989,126.80 : x
  2. Step 2: Convert to fraction form
    179,354,712.40/269,032,068.60 = 135,989,126.80/x
  3. Step 3: Cross multiply
    179,354,712.40x = 269,032,068.60 × 135,989,126.80
  4. Step 4: Simplify right side
    179,354,712.40x = 36,585,436,090,111,704
  5. Step 5: Solve for x
    x = 36,585,436,090,111,704/179,354,712.40
  6. Step 6: Final answer
    x = 203,983,690.20

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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.