Home / 87,176,120-120,303,045.62-50,527,948.64

Finding the Fourth Proportional to 87,176,120, 120,303,045.62 and 50,527,948.64

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Solution

The fourth proportional to 87,176,120, 120,303,045.62 and 50,527,948.64 is: 69,728,569.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,176,120 : 120,303,045.62 = 50,527,948.64 : x
  2. Step 2: Convert to fraction form
    87,176,120/120,303,045.62 = 50,527,948.64/x
  3. Step 3: Cross multiply
    87,176,120x = 120,303,045.62 × 50,527,948.64
  4. Step 4: Simplify right side
    87,176,120x = 6,078,666,110,322,937
  5. Step 5: Solve for x
    x = 6,078,666,110,322,937/87,176,120
  6. Step 6: Final answer
    x = 69,728,569.13

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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.