Home / 238,212,005.20-357,318,007.80-84,863,064.40

Finding the Fourth Proportional to 238,212,005.20, 357,318,007.80 and 84,863,064.40

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Solution

The fourth proportional to 238,212,005.20, 357,318,007.80 and 84,863,064.40 is: 127,294,596.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,212,005.20 : 357,318,007.80 = 84,863,064.40 : x
  2. Step 2: Convert to fraction form
    238,212,005.20/357,318,007.80 = 84,863,064.40/x
  3. Step 3: Cross multiply
    238,212,005.20x = 357,318,007.80 × 84,863,064.40
  4. Step 4: Simplify right side
    238,212,005.20x = 30,323,101,107,211,104
  5. Step 5: Solve for x
    x = 30,323,101,107,211,104/238,212,005.20
  6. Step 6: Final answer
    x = 127,294,596.60

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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.