Home / 141,993,719.40-212,990,579.10-126,688,218.60

Finding the Fourth Proportional to 141,993,719.40, 212,990,579.10 and 126,688,218.60

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Solution

The fourth proportional to 141,993,719.40, 212,990,579.10 and 126,688,218.60 is: 190,032,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,993,719.40 : 212,990,579.10 = 126,688,218.60 : x
  2. Step 2: Convert to fraction form
    141,993,719.40/212,990,579.10 = 126,688,218.60/x
  3. Step 3: Cross multiply
    141,993,719.40x = 212,990,579.10 × 126,688,218.60
  4. Step 4: Simplify right side
    141,993,719.40x = 26,983,397,044,761,388
  5. Step 5: Solve for x
    x = 26,983,397,044,761,388/141,993,719.40
  6. Step 6: Final answer
    x = 190,032,327.90

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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.