Home / 57,697,959.69-86,548,215.89-20,812,798.94

Finding the Fourth Proportional to 57,697,959.69, 86,548,215.89 and 20,812,798.94

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Solution

The fourth proportional to 57,697,959.69, 86,548,215.89 and 20,812,798.94 is: 31,219,658.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,697,959.69 : 86,548,215.89 = 20,812,798.94 : x
  2. Step 2: Convert to fraction form
    57,697,959.69/86,548,215.89 = 20,812,798.94/x
  3. Step 3: Cross multiply
    57,697,959.69x = 86,548,215.89 × 20,812,798.94
  4. Step 4: Simplify right side
    57,697,959.69x = 1,801,310,615,553,574
  5. Step 5: Solve for x
    x = 1,801,310,615,553,574/57,697,959.69
  6. Step 6: Final answer
    x = 31,219,658.81

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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.