Home / 171,619,972.80-257,429,959.20-152,808,273.60

Finding the Fourth Proportional to 171,619,972.80, 257,429,959.20 and 152,808,273.60

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Solution

The fourth proportional to 171,619,972.80, 257,429,959.20 and 152,808,273.60 is: 229,212,410.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,619,972.80 : 257,429,959.20 = 152,808,273.60 : x
  2. Step 2: Convert to fraction form
    171,619,972.80/257,429,959.20 = 152,808,273.60/x
  3. Step 3: Cross multiply
    171,619,972.80x = 257,429,959.20 × 152,808,273.60
  4. Step 4: Simplify right side
    171,619,972.80x = 39,337,427,638,270,432
  5. Step 5: Solve for x
    x = 39,337,427,638,270,432/171,619,972.80
  6. Step 6: Final answer
    x = 229,212,410.40

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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.