Home / 142,726,282.80-214,089,424.20-74,701,834.80

Finding the Fourth Proportional to 142,726,282.80, 214,089,424.20 and 74,701,834.80

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Solution

The fourth proportional to 142,726,282.80, 214,089,424.20 and 74,701,834.80 is: 112,052,752.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,726,282.80 : 214,089,424.20 = 74,701,834.80 : x
  2. Step 2: Convert to fraction form
    142,726,282.80/214,089,424.20 = 74,701,834.80/x
  3. Step 3: Cross multiply
    142,726,282.80x = 214,089,424.20 × 74,701,834.80
  4. Step 4: Simplify right side
    142,726,282.80x = 15,992,872,799,015,520
  5. Step 5: Solve for x
    x = 15,992,872,799,015,520/142,726,282.80
  6. Step 6: Final answer
    x = 112,052,752.20

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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.