Home / 141,892,140.20-195,907,973.60-91,777,835.20

Finding the Fourth Proportional to 141,892,140.20, 195,907,973.60 and 91,777,835.20

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Solution

The fourth proportional to 141,892,140.20, 195,907,973.60 and 91,777,835.20 is: 126,716,037.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,892,140.20 : 195,907,973.60 = 91,777,835.20 : x
  2. Step 2: Convert to fraction form
    141,892,140.20/195,907,973.60 = 91,777,835.20/x
  3. Step 3: Cross multiply
    141,892,140.20x = 195,907,973.60 × 91,777,835.20
  4. Step 4: Simplify right side
    141,892,140.20x = 17,980,009,715,426,750
  5. Step 5: Solve for x
    x = 17,980,009,715,426,750/141,892,140.20
  6. Step 6: Final answer
    x = 126,716,037.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.