Home / 129,395,603.11-194,028,500.98-43,103,672.23

Finding the Fourth Proportional to 129,395,603.11, 194,028,500.98 and 43,103,672.23

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Solution

The fourth proportional to 129,395,603.11, 194,028,500.98 and 43,103,672.23 is: 64,633,887.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,395,603.11 : 194,028,500.98 = 43,103,672.23 : x
  2. Step 2: Convert to fraction form
    129,395,603.11/194,028,500.98 = 43,103,672.23/x
  3. Step 3: Cross multiply
    129,395,603.11x = 194,028,500.98 × 43,103,672.23
  4. Step 4: Simplify right side
    129,395,603.11x = 8,363,340,909,520,153
  5. Step 5: Solve for x
    x = 8,363,340,909,520,153/129,395,603.11
  6. Step 6: Final answer
    x = 64,633,887.93

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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.