Home / 124,477,499.60-186,716,249.40-120,890,272.86

Finding the Fourth Proportional to 124,477,499.60, 186,716,249.40 and 120,890,272.86

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Solution

The fourth proportional to 124,477,499.60, 186,716,249.40 and 120,890,272.86 is: 181,335,409.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,477,499.60 : 186,716,249.40 = 120,890,272.86 : x
  2. Step 2: Convert to fraction form
    124,477,499.60/186,716,249.40 = 120,890,272.86/x
  3. Step 3: Cross multiply
    124,477,499.60x = 186,716,249.40 × 120,890,272.86
  4. Step 4: Simplify right side
    124,477,499.60x = 22,572,178,337,361,812
  5. Step 5: Solve for x
    x = 22,572,178,337,361,812/124,477,499.60
  6. Step 6: Final answer
    x = 181,335,409.29

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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.