Home / 195,579,604.80-293,182,783.20-72,725,025.60

Finding the Fourth Proportional to 195,579,604.80, 293,182,783.20 and 72,725,025.60

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Solution

The fourth proportional to 195,579,604.80, 293,182,783.20 and 72,725,025.60 is: 109,018,143.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,579,604.80 : 293,182,783.20 = 72,725,025.60 : x
  2. Step 2: Convert to fraction form
    195,579,604.80/293,182,783.20 = 72,725,025.60/x
  3. Step 3: Cross multiply
    195,579,604.80x = 293,182,783.20 × 72,725,025.60
  4. Step 4: Simplify right side
    195,579,604.80x = 21,321,725,413,699,248
  5. Step 5: Solve for x
    x = 21,321,725,413,699,248/195,579,604.80
  6. Step 6: Final answer
    x = 109,018,143.46

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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.