Home / 124,647,777.60-186,971,666.40-67,252,149.60

Finding the Fourth Proportional to 124,647,777.60, 186,971,666.40 and 67,252,149.60

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Solution

The fourth proportional to 124,647,777.60, 186,971,666.40 and 67,252,149.60 is: 100,878,224.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,647,777.60 : 186,971,666.40 = 67,252,149.60 : x
  2. Step 2: Convert to fraction form
    124,647,777.60/186,971,666.40 = 67,252,149.60/x
  3. Step 3: Cross multiply
    124,647,777.60x = 186,971,666.40 × 67,252,149.60
  4. Step 4: Simplify right side
    124,647,777.60x = 12,574,246,479,694,092
  5. Step 5: Solve for x
    x = 12,574,246,479,694,092/124,647,777.60
  6. Step 6: Final answer
    x = 100,878,224.40

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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.