Home / 171,620,014.80-257,430,022.20-152,808,315.60

Finding the Fourth Proportional to 171,620,014.80, 257,430,022.20 and 152,808,315.60

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Solution

The fourth proportional to 171,620,014.80, 257,430,022.20 and 152,808,315.60 is: 229,212,473.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,620,014.80 : 257,430,022.20 = 152,808,315.60 : x
  2. Step 2: Convert to fraction form
    171,620,014.80/257,430,022.20 = 152,808,315.60/x
  3. Step 3: Cross multiply
    171,620,014.80x = 257,430,022.20 × 152,808,315.60
  4. Step 4: Simplify right side
    171,620,014.80x = 39,337,448,077,252,600
  5. Step 5: Solve for x
    x = 39,337,448,077,252,600/171,620,014.80
  6. Step 6: Final answer
    x = 229,212,473.40

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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.