Home / 171,666,009.60-257,499,014.40-152,959,286.40

Finding the Fourth Proportional to 171,666,009.60, 257,499,014.40 and 152,959,286.40

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Solution

The fourth proportional to 171,666,009.60, 257,499,014.40 and 152,959,286.40 is: 229,438,929.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,666,009.60 : 257,499,014.40 = 152,959,286.40 : x
  2. Step 2: Convert to fraction form
    171,666,009.60/257,499,014.40 = 152,959,286.40/x
  3. Step 3: Cross multiply
    171,666,009.60x = 257,499,014.40 × 152,959,286.40
  4. Step 4: Simplify right side
    171,666,009.60x = 39,386,865,491,327,328
  5. Step 5: Solve for x
    x = 39,386,865,491,327,328/171,666,009.60
  6. Step 6: Final answer
    x = 229,438,929.60

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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.