Home / 384,990,537.60-577,569,787.20-112,339,094.40

Finding the Fourth Proportional to 384,990,537.60, 577,569,787.20 and 112,339,094.40

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Solution

The fourth proportional to 384,990,537.60, 577,569,787.20 and 112,339,094.40 is: 168,533,146.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,990,537.60 : 577,569,787.20 = 112,339,094.40 : x
  2. Step 2: Convert to fraction form
    384,990,537.60/577,569,787.20 = 112,339,094.40/x
  3. Step 3: Cross multiply
    384,990,537.60x = 577,569,787.20 × 112,339,094.40
  4. Step 4: Simplify right side
    384,990,537.60x = 64,883,666,846,848,720
  5. Step 5: Solve for x
    x = 64,883,666,846,848,720/384,990,537.60
  6. Step 6: Final answer
    x = 168,533,146.95

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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.