Home / 285,264,815.31-427,828,353.80-119,178,579.15

Finding the Fourth Proportional to 285,264,815.31, 427,828,353.80 and 119,178,579.15

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Solution

The fourth proportional to 285,264,815.31, 427,828,353.80 and 119,178,579.15 is: 178,739,096.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,264,815.31 : 427,828,353.80 = 119,178,579.15 : x
  2. Step 2: Convert to fraction form
    285,264,815.31/427,828,353.80 = 119,178,579.15/x
  3. Step 3: Cross multiply
    285,264,815.31x = 427,828,353.80 × 119,178,579.15
  4. Step 4: Simplify right side
    285,264,815.31x = 50,987,975,325,371,616
  5. Step 5: Solve for x
    x = 50,987,975,325,371,616/285,264,815.31
  6. Step 6: Final answer
    x = 178,739,096.41

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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.