Home / 78,838,365.54-118,193,525.96-32,814,684.24

Finding the Fourth Proportional to 78,838,365.54, 118,193,525.96 and 32,814,684.24

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Solution

The fourth proportional to 78,838,365.54, 118,193,525.96 and 32,814,684.24 is: 49,195,378.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,838,365.54 : 118,193,525.96 = 32,814,684.24 : x
  2. Step 2: Convert to fraction form
    78,838,365.54/118,193,525.96 = 32,814,684.24/x
  3. Step 3: Cross multiply
    78,838,365.54x = 118,193,525.96 × 32,814,684.24
  4. Step 4: Simplify right side
    78,838,365.54x = 3,878,483,233,425,569
  5. Step 5: Solve for x
    x = 3,878,483,233,425,569/78,838,365.54
  6. Step 6: Final answer
    x = 49,195,378.50

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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.