Home / 112,422,509.16-155,131,118.70-62,178,743.70

Finding the Fourth Proportional to 112,422,509.16, 155,131,118.70 and 62,178,743.70

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Solution

The fourth proportional to 112,422,509.16, 155,131,118.70 and 62,178,743.70 is: 85,800,060.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,422,509.16 : 155,131,118.70 = 62,178,743.70 : x
  2. Step 2: Convert to fraction form
    112,422,509.16/155,131,118.70 = 62,178,743.70/x
  3. Step 3: Cross multiply
    112,422,509.16x = 155,131,118.70 × 62,178,743.70
  4. Step 4: Simplify right side
    112,422,509.16x = 9,645,858,069,541,576
  5. Step 5: Solve for x
    x = 9,645,858,069,541,576/112,422,509.16
  6. Step 6: Final answer
    x = 85,800,060.34

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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.