Home / 79,015,454,670.60-109,041,408,145.75-42,886,494,542.66

Finding the Fourth Proportional to 79,015,454,670.60, 109,041,408,145.75 and 42,886,494,542.66

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Solution

The fourth proportional to 79,015,454,670.60, 109,041,408,145.75 and 42,886,494,542.66 is: 59,183,406,269.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,015,454,670.60 : 109,041,408,145.75 = 42,886,494,542.66 : x
  2. Step 2: Convert to fraction form
    79,015,454,670.60/109,041,408,145.75 = 42,886,494,542.66/x
  3. Step 3: Cross multiply
    79,015,454,670.60x = 109,041,408,145.75 × 42,886,494,542.66
  4. Step 4: Simplify right side
    79,015,454,670.60x = 4,676,403,755,366,669,615,104
  5. Step 5: Solve for x
    x = 4,676,403,755,366,669,615,104/79,015,454,670.60
  6. Step 6: Final answer
    x = 59,183,406,269.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.