Home / 54,337,004,915.16-81,542,737,943.28-18,964,360,325.64

Finding the Fourth Proportional to 54,337,004,915.16, 81,542,737,943.28 and 18,964,360,325.64

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Solution

The fourth proportional to 54,337,004,915.16, 81,542,737,943.28 and 18,964,360,325.64 is: 28,459,534,468.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,337,004,915.16 : 81,542,737,943.28 = 18,964,360,325.64 : x
  2. Step 2: Convert to fraction form
    54,337,004,915.16/81,542,737,943.28 = 18,964,360,325.64/x
  3. Step 3: Cross multiply
    54,337,004,915.16x = 81,542,737,943.28 × 18,964,360,325.64
  4. Step 4: Simplify right side
    54,337,004,915.16x = 1,546,405,864,295,598,653,440
  5. Step 5: Solve for x
    x = 1,546,405,864,295,598,653,440/54,337,004,915.16
  6. Step 6: Final answer
    x = 28,459,534,468.45

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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.