Home / 215,784,702.80-323,677,054.20-123,573,784.40

Finding the Fourth Proportional to 215,784,702.80, 323,677,054.20 and 123,573,784.40

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Solution

The fourth proportional to 215,784,702.80, 323,677,054.20 and 123,573,784.40 is: 185,360,676.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,784,702.80 : 323,677,054.20 = 123,573,784.40 : x
  2. Step 2: Convert to fraction form
    215,784,702.80/323,677,054.20 = 123,573,784.40/x
  3. Step 3: Cross multiply
    215,784,702.80x = 323,677,054.20 × 123,573,784.40
  4. Step 4: Simplify right side
    215,784,702.80x = 39,997,998,510,937,912
  5. Step 5: Solve for x
    x = 39,997,998,510,937,912/215,784,702.80
  6. Step 6: Final answer
    x = 185,360,676.60

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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.