Home / 124,526,665.60-186,789,998.40-67,131,037.60

Finding the Fourth Proportional to 124,526,665.60, 186,789,998.40 and 67,131,037.60

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Solution

The fourth proportional to 124,526,665.60, 186,789,998.40 and 67,131,037.60 is: 100,696,556.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,526,665.60 : 186,789,998.40 = 67,131,037.60 : x
  2. Step 2: Convert to fraction form
    124,526,665.60/186,789,998.40 = 67,131,037.60/x
  3. Step 3: Cross multiply
    124,526,665.60x = 186,789,998.40 × 67,131,037.60
  4. Step 4: Simplify right side
    124,526,665.60x = 12,539,406,405,894,340
  5. Step 5: Solve for x
    x = 12,539,406,405,894,340/124,526,665.60
  6. Step 6: Final answer
    x = 100,696,556.40

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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.