Home / 129,365,511.80-194,048,267.70-86,094,404.60

Finding the Fourth Proportional to 129,365,511.80, 194,048,267.70 and 86,094,404.60

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Solution

The fourth proportional to 129,365,511.80, 194,048,267.70 and 86,094,404.60 is: 129,141,606.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,365,511.80 : 194,048,267.70 = 86,094,404.60 : x
  2. Step 2: Convert to fraction form
    129,365,511.80/194,048,267.70 = 86,094,404.60/x
  3. Step 3: Cross multiply
    129,365,511.80x = 194,048,267.70 × 86,094,404.60
  4. Step 4: Simplify right side
    129,365,511.80x = 16,706,470,071,292,910
  5. Step 5: Solve for x
    x = 16,706,470,071,292,910/129,365,511.80
  6. Step 6: Final answer
    x = 129,141,606.90

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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.