Home / 238,212,916.20-357,319,374.30-84,863,975.40

Finding the Fourth Proportional to 238,212,916.20, 357,319,374.30 and 84,863,975.40

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Solution

The fourth proportional to 238,212,916.20, 357,319,374.30 and 84,863,975.40 is: 127,295,963.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,212,916.20 : 357,319,374.30 = 84,863,975.40 : x
  2. Step 2: Convert to fraction form
    238,212,916.20/357,319,374.30 = 84,863,975.40/x
  3. Step 3: Cross multiply
    238,212,916.20x = 357,319,374.30 × 84,863,975.40
  4. Step 4: Simplify right side
    238,212,916.20x = 30,323,542,590,538,596
  5. Step 5: Solve for x
    x = 30,323,542,590,538,596/238,212,916.20
  6. Step 6: Final answer
    x = 127,295,963.10

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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.