Home / 384,609,898.80-576,914,848.20-111,989,559.60

Finding the Fourth Proportional to 384,609,898.80, 576,914,848.20 and 111,989,559.60

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Solution

The fourth proportional to 384,609,898.80, 576,914,848.20 and 111,989,559.60 is: 167,984,339.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,609,898.80 : 576,914,848.20 = 111,989,559.60 : x
  2. Step 2: Convert to fraction form
    384,609,898.80/576,914,848.20 = 111,989,559.60/x
  3. Step 3: Cross multiply
    384,609,898.80x = 576,914,848.20 × 111,989,559.60
  4. Step 4: Simplify right side
    384,609,898.80x = 64,608,439,776,618,856
  5. Step 5: Solve for x
    x = 64,608,439,776,618,856/384,609,898.80
  6. Step 6: Final answer
    x = 167,984,339.40

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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.