Home / 139,897,322.20-209,845,983.30-110,672,003.80

Finding the Fourth Proportional to 139,897,322.20, 209,845,983.30 and 110,672,003.80

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Solution

The fourth proportional to 139,897,322.20, 209,845,983.30 and 110,672,003.80 is: 166,008,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,897,322.20 : 209,845,983.30 = 110,672,003.80 : x
  2. Step 2: Convert to fraction form
    139,897,322.20/209,845,983.30 = 110,672,003.80/x
  3. Step 3: Cross multiply
    139,897,322.20x = 209,845,983.30 × 110,672,003.80
  4. Step 4: Simplify right side
    139,897,322.20x = 23,224,075,461,192,336
  5. Step 5: Solve for x
    x = 23,224,075,461,192,336/139,897,322.20
  6. Step 6: Final answer
    x = 166,008,005.70

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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.