Home / 170,825,878.20-256,238,817.30-169,233,353.40

Finding the Fourth Proportional to 170,825,878.20, 256,238,817.30 and 169,233,353.40

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Solution

The fourth proportional to 170,825,878.20, 256,238,817.30 and 169,233,353.40 is: 253,850,030.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,825,878.20 : 256,238,817.30 = 169,233,353.40 : x
  2. Step 2: Convert to fraction form
    170,825,878.20/256,238,817.30 = 169,233,353.40/x
  3. Step 3: Cross multiply
    170,825,878.20x = 256,238,817.30 × 169,233,353.40
  4. Step 4: Simplify right side
    170,825,878.20x = 43,364,154,322,928,936
  5. Step 5: Solve for x
    x = 43,364,154,322,928,936/170,825,878.20
  6. Step 6: Final answer
    x = 253,850,030.10

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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.