Home / 215,439,464.88-323,191,088.64-79,114,219.56

Finding the Fourth Proportional to 215,439,464.88, 323,191,088.64 and 79,114,219.56

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Solution

The fourth proportional to 215,439,464.88, 323,191,088.64 and 79,114,219.56 is: 118,683,040.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,439,464.88 : 323,191,088.64 = 79,114,219.56 : x
  2. Step 2: Convert to fraction form
    215,439,464.88/323,191,088.64 = 79,114,219.56/x
  3. Step 3: Cross multiply
    215,439,464.88x = 323,191,088.64 × 79,114,219.56
  4. Step 4: Simplify right side
    215,439,464.88x = 25,569,010,746,500,380
  5. Step 5: Solve for x
    x = 25,569,010,746,500,380/215,439,464.88
  6. Step 6: Final answer
    x = 118,683,040.55

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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.