Home / 51,221,154.44-76,831,862.94-20,929,017.32

Finding the Fourth Proportional to 51,221,154.44, 76,831,862.94 and 20,929,017.32

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Solution

The fourth proportional to 51,221,154.44, 76,831,862.94 and 20,929,017.32 is: 31,393,579.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,221,154.44 : 76,831,862.94 = 20,929,017.32 : x
  2. Step 2: Convert to fraction form
    51,221,154.44/76,831,862.94 = 20,929,017.32/x
  3. Step 3: Cross multiply
    51,221,154.44x = 76,831,862.94 × 20,929,017.32
  4. Step 4: Simplify right side
    51,221,154.44x = 1,608,015,390,199,126
  5. Step 5: Solve for x
    x = 1,608,015,390,199,126/51,221,154.44
  6. Step 6: Final answer
    x = 31,393,579.62

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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.