Home / 238,528,007.10-357,792,010.65-211,318,227.90

Finding the Fourth Proportional to 238,528,007.10, 357,792,010.65 and 211,318,227.90

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Solution

The fourth proportional to 238,528,007.10, 357,792,010.65 and 211,318,227.90 is: 316,977,341.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,528,007.10 : 357,792,010.65 = 211,318,227.90 : x
  2. Step 2: Convert to fraction form
    238,528,007.10/357,792,010.65 = 211,318,227.90/x
  3. Step 3: Cross multiply
    238,528,007.10x = 357,792,010.65 × 211,318,227.90
  4. Step 4: Simplify right side
    238,528,007.10x = 75,607,973,647,335,920
  5. Step 5: Solve for x
    x = 75,607,973,647,335,920/238,528,007.10
  6. Step 6: Final answer
    x = 316,977,341.85

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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.