Home / 82,977,794.80-124,466,692.20-78,726,266.80

Finding the Fourth Proportional to 82,977,794.80, 124,466,692.20 and 78,726,266.80

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Solution

The fourth proportional to 82,977,794.80, 124,466,692.20 and 78,726,266.80 is: 118,089,400.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,977,794.80 : 124,466,692.20 = 78,726,266.80 : x
  2. Step 2: Convert to fraction form
    82,977,794.80/124,466,692.20 = 78,726,266.80/x
  3. Step 3: Cross multiply
    82,977,794.80x = 124,466,692.20 × 78,726,266.80
  4. Step 4: Simplify right side
    82,977,794.80x = 9,798,798,017,850,678
  5. Step 5: Solve for x
    x = 9,798,798,017,850,678/82,977,794.80
  6. Step 6: Final answer
    x = 118,089,400.20

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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.