Home / 137,019,529.76-189,086,746.59-74,295,513.75

Finding the Fourth Proportional to 137,019,529.76, 189,086,746.59 and 74,295,513.75

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Solution

The fourth proportional to 137,019,529.76, 189,086,746.59 and 74,295,513.75 is: 102,527,698.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,019,529.76 : 189,086,746.59 = 74,295,513.75 : x
  2. Step 2: Convert to fraction form
    137,019,529.76/189,086,746.59 = 74,295,513.75/x
  3. Step 3: Cross multiply
    137,019,529.76x = 189,086,746.59 × 74,295,513.75
  4. Step 4: Simplify right side
    137,019,529.76x = 14,048,296,980,998,094
  5. Step 5: Solve for x
    x = 14,048,296,980,998,094/137,019,529.76
  6. Step 6: Final answer
    x = 102,527,698.10

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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.