Home / 255,912,731.40-353,158,505.60-138,437,772.06

Finding the Fourth Proportional to 255,912,731.40, 353,158,505.60 and 138,437,772.06

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Solution

The fourth proportional to 255,912,731.40, 353,158,505.60 and 138,437,772.06 is: 191,043,550.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,912,731.40 : 353,158,505.60 = 138,437,772.06 : x
  2. Step 2: Convert to fraction form
    255,912,731.40/353,158,505.60 = 138,437,772.06/x
  3. Step 3: Cross multiply
    255,912,731.40x = 353,158,505.60 × 138,437,772.06
  4. Step 4: Simplify right side
    255,912,731.40x = 48,890,476,698,610,848
  5. Step 5: Solve for x
    x = 48,890,476,698,610,848/255,912,731.40
  6. Step 6: Final answer
    x = 191,043,550.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.