Home / 55,331,824.80-82,997,737.20-28,457,968.80

Finding the Fourth Proportional to 55,331,824.80, 82,997,737.20 and 28,457,968.80

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Solution

The fourth proportional to 55,331,824.80, 82,997,737.20 and 28,457,968.80 is: 42,686,953.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,331,824.80 : 82,997,737.20 = 28,457,968.80 : x
  2. Step 2: Convert to fraction form
    55,331,824.80/82,997,737.20 = 28,457,968.80/x
  3. Step 3: Cross multiply
    55,331,824.80x = 82,997,737.20 × 28,457,968.80
  4. Step 4: Simplify right side
    55,331,824.80x = 2,361,947,015,708,199.50
  5. Step 5: Solve for x
    x = 2,361,947,015,708,199.50/55,331,824.80
  6. Step 6: Final answer
    x = 42,686,953.20

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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.