Home / 61,991,703.46-93,001,007.58-18,859,785.76

Finding the Fourth Proportional to 61,991,703.46, 93,001,007.58 and 18,859,785.76

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Solution

The fourth proportional to 61,991,703.46, 93,001,007.58 and 18,859,785.76 is: 28,293,771.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,991,703.46 : 93,001,007.58 = 18,859,785.76 : x
  2. Step 2: Convert to fraction form
    61,991,703.46/93,001,007.58 = 18,859,785.76/x
  3. Step 3: Cross multiply
    61,991,703.46x = 93,001,007.58 × 18,859,785.76
  4. Step 4: Simplify right side
    61,991,703.46x = 1,753,979,078,422,936.25
  5. Step 5: Solve for x
    x = 1,753,979,078,422,936.25/61,991,703.46
  6. Step 6: Final answer
    x = 28,293,771.27

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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.