Home / 72,931,103,134.29-109,434,052,450.67-35,189,865,327.92

Finding the Fourth Proportional to 72,931,103,134.29, 109,434,052,450.67 and 35,189,865,327.92

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Solution

The fourth proportional to 72,931,103,134.29, 109,434,052,450.67 and 35,189,865,327.92 is: 52,802,842,717.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,931,103,134.29 : 109,434,052,450.67 = 35,189,865,327.92 : x
  2. Step 2: Convert to fraction form
    72,931,103,134.29/109,434,052,450.67 = 35,189,865,327.92/x
  3. Step 3: Cross multiply
    72,931,103,134.29x = 109,434,052,450.67 × 35,189,865,327.92
  4. Step 4: Simplify right side
    72,931,103,134.29x = 3,850,969,568,027,063,877,632
  5. Step 5: Solve for x
    x = 3,850,969,568,027,063,877,632/72,931,103,134.29
  6. Step 6: Final answer
    x = 52,802,842,717.68

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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.