Home / 87,119,525.46-120,231,972.54-49,953,263.70

Finding the Fourth Proportional to 87,119,525.46, 120,231,972.54 and 49,953,263.70

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Solution

The fourth proportional to 87,119,525.46, 120,231,972.54 and 49,953,263.70 is: 68,939,533.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,119,525.46 : 120,231,972.54 = 49,953,263.70 : x
  2. Step 2: Convert to fraction form
    87,119,525.46/120,231,972.54 = 49,953,263.70/x
  3. Step 3: Cross multiply
    87,119,525.46x = 120,231,972.54 × 49,953,263.70
  4. Step 4: Simplify right side
    87,119,525.46x = 6,005,979,429,461,779
  5. Step 5: Solve for x
    x = 6,005,979,429,461,779/87,119,525.46
  6. Step 6: Final answer
    x = 68,939,533.33

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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.