Home / 171,148,461.60-256,722,692.40-79,032,021.60

Finding the Fourth Proportional to 171,148,461.60, 256,722,692.40 and 79,032,021.60

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Solution

The fourth proportional to 171,148,461.60, 256,722,692.40 and 79,032,021.60 is: 118,548,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,148,461.60 : 256,722,692.40 = 79,032,021.60 : x
  2. Step 2: Convert to fraction form
    171,148,461.60/256,722,692.40 = 79,032,021.60/x
  3. Step 3: Cross multiply
    171,148,461.60x = 256,722,692.40 × 79,032,021.60
  4. Step 4: Simplify right side
    171,148,461.60x = 20,289,313,370,966,956
  5. Step 5: Solve for x
    x = 20,289,313,370,966,956/171,148,461.60
  6. Step 6: Final answer
    x = 118,548,032.40

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1.5x scale

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.