Home / 72,931,103,135.04-109,434,052,451.79-35,189,865,328.67

Finding the Fourth Proportional to 72,931,103,135.04, 109,434,052,451.79 and 35,189,865,328.67

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Solution

The fourth proportional to 72,931,103,135.04, 109,434,052,451.79 and 35,189,865,328.67 is: 52,802,842,718.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,931,103,135.04 : 109,434,052,451.79 = 35,189,865,328.67 : x
  2. Step 2: Convert to fraction form
    72,931,103,135.04/109,434,052,451.79 = 35,189,865,328.67/x
  3. Step 3: Cross multiply
    72,931,103,135.04x = 109,434,052,451.79 × 35,189,865,328.67
  4. Step 4: Simplify right side
    72,931,103,135.04x = 3,850,969,568,148,551,892,992
  5. Step 5: Solve for x
    x = 3,850,969,568,148,551,892,992/72,931,103,135.04
  6. Step 6: Final answer
    x = 52,802,842,718.81

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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.