Home / 219,654,048.77-303,047,507.97-125,500,639.70

Finding the Fourth Proportional to 219,654,048.77, 303,047,507.97 and 125,500,639.70

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Solution

The fourth proportional to 219,654,048.77, 303,047,507.97 and 125,500,639.70 is: 173,147,985.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,654,048.77 : 303,047,507.97 = 125,500,639.70 : x
  2. Step 2: Convert to fraction form
    219,654,048.77/303,047,507.97 = 125,500,639.70/x
  3. Step 3: Cross multiply
    219,654,048.77x = 303,047,507.97 × 125,500,639.70
  4. Step 4: Simplify right side
    219,654,048.77x = 38,032,656,109,725,856
  5. Step 5: Solve for x
    x = 38,032,656,109,725,856/219,654,048.77
  6. Step 6: Final answer
    x = 173,147,985.77

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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.