Home / 215,592,974.40-323,436,700.80-106,470,422.40

Finding the Fourth Proportional to 215,592,974.40, 323,436,700.80 and 106,470,422.40

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Solution

The fourth proportional to 215,592,974.40, 323,436,700.80 and 106,470,422.40 is: 159,728,962.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,592,974.40 : 323,436,700.80 = 106,470,422.40 : x
  2. Step 2: Convert to fraction form
    215,592,974.40/323,436,700.80 = 106,470,422.40/x
  3. Step 3: Cross multiply
    215,592,974.40x = 323,436,700.80 × 106,470,422.40
  4. Step 4: Simplify right side
    215,592,974.40x = 34,436,442,153,838,420
  5. Step 5: Solve for x
    x = 34,436,442,153,838,420/215,592,974.40
  6. Step 6: Final answer
    x = 159,728,962.64

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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.