Home / 97,890,539,074.94-135,088,950,419.57-54,485,892,452.12

Finding the Fourth Proportional to 97,890,539,074.94, 135,088,950,419.57 and 54,485,892,452.12

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Solution

The fourth proportional to 97,890,539,074.94, 135,088,950,419.57 and 54,485,892,452.12 is: 75,190,535,199.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,890,539,074.94 : 135,088,950,419.57 = 54,485,892,452.12 : x
  2. Step 2: Convert to fraction form
    97,890,539,074.94/135,088,950,419.57 = 54,485,892,452.12/x
  3. Step 3: Cross multiply
    97,890,539,074.94x = 135,088,950,419.57 × 54,485,892,452.12
  4. Step 4: Simplify right side
    97,890,539,074.94x = 7,360,442,024,029,786,734,592
  5. Step 5: Solve for x
    x = 7,360,442,024,029,786,734,592/97,890,539,074.94
  6. Step 6: Final answer
    x = 75,190,535,199.68

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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.