Home / 115,963,709-160,025,840.88-63,752,364.50

Finding the Fourth Proportional to 115,963,709, 160,025,840.88 and 63,752,364.50

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Solution

The fourth proportional to 115,963,709, 160,025,840.88 and 63,752,364.50 is: 87,976,021.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,963,709 : 160,025,840.88 = 63,752,364.50 : x
  2. Step 2: Convert to fraction form
    115,963,709/160,025,840.88 = 63,752,364.50/x
  3. Step 3: Cross multiply
    115,963,709x = 160,025,840.88 × 63,752,364.50
  4. Step 4: Simplify right side
    115,963,709x = 10,202,025,737,200,760
  5. Step 5: Solve for x
    x = 10,202,025,737,200,760/115,963,709
  6. Step 6: Final answer
    x = 87,976,021.34

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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.