Home / 128,032,373.02-192,056,812.01-45,023,942.38

Finding the Fourth Proportional to 128,032,373.02, 192,056,812.01 and 45,023,942.38

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Solution

The fourth proportional to 128,032,373.02, 192,056,812.01 and 45,023,942.38 is: 67,538,815.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,032,373.02 : 192,056,812.01 = 45,023,942.38 : x
  2. Step 2: Convert to fraction form
    128,032,373.02/192,056,812.01 = 45,023,942.38/x
  3. Step 3: Cross multiply
    128,032,373.02x = 192,056,812.01 × 45,023,942.38
  4. Step 4: Simplify right side
    128,032,373.02x = 8,647,154,837,624,732
  5. Step 5: Solve for x
    x = 8,647,154,837,624,732/128,032,373.02
  6. Step 6: Final answer
    x = 67,538,815.64

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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.