Home / 238,528,013.60-357,792,020.40-211,318,234.40

Finding the Fourth Proportional to 238,528,013.60, 357,792,020.40 and 211,318,234.40

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Solution

The fourth proportional to 238,528,013.60, 357,792,020.40 and 211,318,234.40 is: 316,977,351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,528,013.60 : 357,792,020.40 = 211,318,234.40 : x
  2. Step 2: Convert to fraction form
    238,528,013.60/357,792,020.40 = 211,318,234.40/x
  3. Step 3: Cross multiply
    238,528,013.60x = 357,792,020.40 × 211,318,234.40
  4. Step 4: Simplify right side
    238,528,013.60x = 75,607,978,033,336,784
  5. Step 5: Solve for x
    x = 75,607,978,033,336,784/238,528,013.60
  6. Step 6: Final answer
    x = 316,977,351.60

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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.