Home / 78,992,155.44-118,445,629.59-35,837,812.98

Finding the Fourth Proportional to 78,992,155.44, 118,445,629.59 and 35,837,812.98

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Solution

The fourth proportional to 78,992,155.44, 118,445,629.59 and 35,837,812.98 is: 53,737,390.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,992,155.44 : 118,445,629.59 = 35,837,812.98 : x
  2. Step 2: Convert to fraction form
    78,992,155.44/118,445,629.59 = 35,837,812.98/x
  3. Step 3: Cross multiply
    78,992,155.44x = 118,445,629.59 × 35,837,812.98
  4. Step 4: Simplify right side
    78,992,155.44x = 4,244,832,321,544,774
  5. Step 5: Solve for x
    x = 4,244,832,321,544,774/78,992,155.44
  6. Step 6: Final answer
    x = 53,737,390.73

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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.