Home / 112,159,867.20-167,866,552.80-81,366,907.20

Finding the Fourth Proportional to 112,159,867.20, 167,866,552.80 and 81,366,907.20

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Solution

The fourth proportional to 112,159,867.20, 167,866,552.80 and 81,366,907.20 is: 121,779,586.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,159,867.20 : 167,866,552.80 = 81,366,907.20 : x
  2. Step 2: Convert to fraction form
    112,159,867.20/167,866,552.80 = 81,366,907.20/x
  3. Step 3: Cross multiply
    112,159,867.20x = 167,866,552.80 × 81,366,907.20
  4. Step 4: Simplify right side
    112,159,867.20x = 13,658,782,223,661,502
  5. Step 5: Solve for x
    x = 13,658,782,223,661,502/112,159,867.20
  6. Step 6: Final answer
    x = 121,779,586.27

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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.