Home / 118,766,998,978.80-178,150,498,468.20-40,249,779,874.80

Finding the Fourth Proportional to 118,766,998,978.80, 178,150,498,468.20 and 40,249,779,874.80

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Solution

The fourth proportional to 118,766,998,978.80, 178,150,498,468.20 and 40,249,779,874.80 is: 60,374,669,812.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,766,998,978.80 : 178,150,498,468.20 = 40,249,779,874.80 : x
  2. Step 2: Convert to fraction form
    118,766,998,978.80/178,150,498,468.20 = 40,249,779,874.80/x
  3. Step 3: Cross multiply
    118,766,998,978.80x = 178,150,498,468.20 × 40,249,779,874.80
  4. Step 4: Simplify right side
    118,766,998,978.80x = 7,170,518,347,930,945,978,368
  5. Step 5: Solve for x
    x = 7,170,518,347,930,945,978,368/118,766,998,978.80
  6. Step 6: Final answer
    x = 60,374,669,812.20

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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.