Home / 132,322,909.86-198,451,365.21-38,931,297.81

Finding the Fourth Proportional to 132,322,909.86, 198,451,365.21 and 38,931,297.81

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Solution

The fourth proportional to 132,322,909.86, 198,451,365.21 and 38,931,297.81 is: 58,387,237.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,322,909.86 : 198,451,365.21 = 38,931,297.81 : x
  2. Step 2: Convert to fraction form
    132,322,909.86/198,451,365.21 = 38,931,297.81/x
  3. Step 3: Cross multiply
    132,322,909.86x = 198,451,365.21 × 38,931,297.81
  4. Step 4: Simplify right side
    132,322,909.86x = 7,725,969,199,791,584
  5. Step 5: Solve for x
    x = 7,725,969,199,791,584/132,322,909.86
  6. Step 6: Final answer
    x = 58,387,237.77

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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.