Home / 109,412,572.60-164,118,858.90-83,903,404.60

Finding the Fourth Proportional to 109,412,572.60, 164,118,858.90 and 83,903,404.60

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Solution

The fourth proportional to 109,412,572.60, 164,118,858.90 and 83,903,404.60 is: 125,855,106.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,412,572.60 : 164,118,858.90 = 83,903,404.60 : x
  2. Step 2: Convert to fraction form
    109,412,572.60/164,118,858.90 = 83,903,404.60/x
  3. Step 3: Cross multiply
    109,412,572.60x = 164,118,858.90 × 83,903,404.60
  4. Step 4: Simplify right side
    109,412,572.60x = 13,770,131,020,777,010
  5. Step 5: Solve for x
    x = 13,770,131,020,777,010/109,412,572.60
  6. Step 6: Final answer
    x = 125,855,106.90

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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.