Home / 256,609,145.10-384,772,000.05-83,997,108.30

Finding the Fourth Proportional to 256,609,145.10, 384,772,000.05 and 83,997,108.30

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Solution

The fourth proportional to 256,609,145.10, 384,772,000.05 and 83,997,108.30 is: 125,949,273.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,609,145.10 : 384,772,000.05 = 83,997,108.30 : x
  2. Step 2: Convert to fraction form
    256,609,145.10/384,772,000.05 = 83,997,108.30/x
  3. Step 3: Cross multiply
    256,609,145.10x = 384,772,000.05 × 83,997,108.30
  4. Step 4: Simplify right side
    256,609,145.10x = 32,319,735,359,007,456
  5. Step 5: Solve for x
    x = 32,319,735,359,007,456/256,609,145.10
  6. Step 6: Final answer
    x = 125,949,273.34

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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.