Home / 189,918,652.85-262,087,740.94-102,998,524.85

Finding the Fourth Proportional to 189,918,652.85, 262,087,740.94 and 102,998,524.85

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Solution

The fourth proportional to 189,918,652.85, 262,087,740.94 and 102,998,524.85 is: 142,137,964.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,918,652.85 : 262,087,740.94 = 102,998,524.85 : x
  2. Step 2: Convert to fraction form
    189,918,652.85/262,087,740.94 = 102,998,524.85/x
  3. Step 3: Cross multiply
    189,918,652.85x = 262,087,740.94 × 102,998,524.85
  4. Step 4: Simplify right side
    189,918,652.85x = 26,994,650,697,997,236
  5. Step 5: Solve for x
    x = 26,994,650,697,997,236/189,918,652.85
  6. Step 6: Final answer
    x = 142,137,964.30

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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.