Home / 79,261,280.80-118,779,946.80-58,629,997.60

Finding the Fourth Proportional to 79,261,280.80, 118,779,946.80 and 58,629,997.60

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Solution

The fourth proportional to 79,261,280.80, 118,779,946.80 and 58,629,997.60 is: 87,862,168.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,261,280.80 : 118,779,946.80 = 58,629,997.60 : x
  2. Step 2: Convert to fraction form
    79,261,280.80/118,779,946.80 = 58,629,997.60/x
  3. Step 3: Cross multiply
    79,261,280.80x = 118,779,946.80 × 58,629,997.60
  4. Step 4: Simplify right side
    79,261,280.80x = 6,964,067,995,812,128
  5. Step 5: Solve for x
    x = 6,964,067,995,812,128/79,261,280.80
  6. Step 6: Final answer
    x = 87,862,168.33

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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.