Home / 89,734,015.20-134,601,022.80-55,544,498.40

Finding the Fourth Proportional to 89,734,015.20, 134,601,022.80 and 55,544,498.40

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Solution

The fourth proportional to 89,734,015.20, 134,601,022.80 and 55,544,498.40 is: 83,316,747.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,734,015.20 : 134,601,022.80 = 55,544,498.40 : x
  2. Step 2: Convert to fraction form
    89,734,015.20/134,601,022.80 = 55,544,498.40/x
  3. Step 3: Cross multiply
    89,734,015.20x = 134,601,022.80 × 55,544,498.40
  4. Step 4: Simplify right side
    89,734,015.20x = 7,476,346,295,552,964
  5. Step 5: Solve for x
    x = 7,476,346,295,552,964/89,734,015.20
  6. Step 6: Final answer
    x = 83,316,747.60

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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.