Home / 89,748,052.80-134,728,367.40-50,917,430.40

Finding the Fourth Proportional to 89,748,052.80, 134,728,367.40 and 50,917,430.40

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Solution

The fourth proportional to 89,748,052.80, 134,728,367.40 and 50,917,430.40 is: 76,436,446.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,748,052.80 : 134,728,367.40 = 50,917,430.40 : x
  2. Step 2: Convert to fraction form
    89,748,052.80/134,728,367.40 = 50,917,430.40/x
  3. Step 3: Cross multiply
    89,748,052.80x = 134,728,367.40 × 50,917,430.40
  4. Step 4: Simplify right side
    89,748,052.80x = 6,860,022,269,995,129
  5. Step 5: Solve for x
    x = 6,860,022,269,995,129/89,748,052.80
  6. Step 6: Final answer
    x = 76,436,446.88

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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.