Home / 124,992,015.60-187,488,023.40-53,179,100.40

Finding the Fourth Proportional to 124,992,015.60, 187,488,023.40 and 53,179,100.40

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Solution

The fourth proportional to 124,992,015.60, 187,488,023.40 and 53,179,100.40 is: 79,768,650.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,992,015.60 : 187,488,023.40 = 53,179,100.40 : x
  2. Step 2: Convert to fraction form
    124,992,015.60/187,488,023.40 = 53,179,100.40/x
  3. Step 3: Cross multiply
    124,992,015.60x = 187,488,023.40 × 53,179,100.40
  4. Step 4: Simplify right side
    124,992,015.60x = 9,970,444,420,186,150
  5. Step 5: Solve for x
    x = 9,970,444,420,186,150/124,992,015.60
  6. Step 6: Final answer
    x = 79,768,650.60

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1.5x scale

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.