Home / 206,983,576.80-310,475,365.20-155,327,511.60

Finding the Fourth Proportional to 206,983,576.80, 310,475,365.20 and 155,327,511.60

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Solution

The fourth proportional to 206,983,576.80, 310,475,365.20 and 155,327,511.60 is: 232,991,267.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,983,576.80 : 310,475,365.20 = 155,327,511.60 : x
  2. Step 2: Convert to fraction form
    206,983,576.80/310,475,365.20 = 155,327,511.60/x
  3. Step 3: Cross multiply
    206,983,576.80x = 310,475,365.20 × 155,327,511.60
  4. Step 4: Simplify right side
    206,983,576.80x = 48,225,365,889,617,232
  5. Step 5: Solve for x
    x = 48,225,365,889,617,232/206,983,576.80
  6. Step 6: Final answer
    x = 232,991,267.40

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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.