Home / 256,006,483.88-384,009,912.65-61,918,085.90

Finding the Fourth Proportional to 256,006,483.88, 384,009,912.65 and 61,918,085.90

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Solution

The fourth proportional to 256,006,483.88, 384,009,912.65 and 61,918,085.90 is: 92,877,174.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,006,483.88 : 384,009,912.65 = 61,918,085.90 : x
  2. Step 2: Convert to fraction form
    256,006,483.88/384,009,912.65 = 61,918,085.90/x
  3. Step 3: Cross multiply
    256,006,483.88x = 384,009,912.65 × 61,918,085.90
  4. Step 4: Simplify right side
    256,006,483.88x = 23,777,158,759,029,016
  5. Step 5: Solve for x
    x = 23,777,158,759,029,016/256,006,483.88
  6. Step 6: Final answer
    x = 92,877,174.04

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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.