Home / 53,917,485.60-80,876,228.40-38,611,984.80

Finding the Fourth Proportional to 53,917,485.60, 80,876,228.40 and 38,611,984.80

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Solution

The fourth proportional to 53,917,485.60, 80,876,228.40 and 38,611,984.80 is: 57,917,977.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,917,485.60 : 80,876,228.40 = 38,611,984.80 : x
  2. Step 2: Convert to fraction form
    53,917,485.60/80,876,228.40 = 38,611,984.80/x
  3. Step 3: Cross multiply
    53,917,485.60x = 80,876,228.40 × 38,611,984.80
  4. Step 4: Simplify right side
    53,917,485.60x = 3,122,791,701,662,128.50
  5. Step 5: Solve for x
    x = 3,122,791,701,662,128.50/53,917,485.60
  6. Step 6: Final answer
    x = 57,917,977.20

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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.