Home / 228,385,420.80-342,464,774.40-82,813,171.20

Finding the Fourth Proportional to 228,385,420.80, 342,464,774.40 and 82,813,171.20

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Solution

The fourth proportional to 228,385,420.80, 342,464,774.40 and 82,813,171.20 is: 124,178,653.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,385,420.80 : 342,464,774.40 = 82,813,171.20 : x
  2. Step 2: Convert to fraction form
    228,385,420.80/342,464,774.40 = 82,813,171.20/x
  3. Step 3: Cross multiply
    228,385,420.80x = 342,464,774.40 × 82,813,171.20
  4. Step 4: Simplify right side
    228,385,420.80x = 28,360,593,992,356,576
  5. Step 5: Solve for x
    x = 28,360,593,992,356,576/228,385,420.80
  6. Step 6: Final answer
    x = 124,178,653.32

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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.