Home / 64,782,961.60-96,985,485.60-57,980,516.80

Finding the Fourth Proportional to 64,782,961.60, 96,985,485.60 and 57,980,516.80

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Solution

The fourth proportional to 64,782,961.60, 96,985,485.60 and 57,980,516.80 is: 86,801,659.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,782,961.60 : 96,985,485.60 = 57,980,516.80 : x
  2. Step 2: Convert to fraction form
    64,782,961.60/96,985,485.60 = 57,980,516.80/x
  3. Step 3: Cross multiply
    64,782,961.60x = 96,985,485.60 × 57,980,516.80
  4. Step 4: Simplify right side
    64,782,961.60x = 5,623,268,577,186,957
  5. Step 5: Solve for x
    x = 5,623,268,577,186,957/64,782,961.60
  6. Step 6: Final answer
    x = 86,801,659.55

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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.