Home / 171,780,976.80-257,671,465.20-152,969,277.60

Finding the Fourth Proportional to 171,780,976.80, 257,671,465.20 and 152,969,277.60

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Solution

The fourth proportional to 171,780,976.80, 257,671,465.20 and 152,969,277.60 is: 229,453,916.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,780,976.80 : 257,671,465.20 = 152,969,277.60 : x
  2. Step 2: Convert to fraction form
    171,780,976.80/257,671,465.20 = 152,969,277.60/x
  3. Step 3: Cross multiply
    171,780,976.80x = 257,671,465.20 × 152,969,277.60
  4. Step 4: Simplify right side
    171,780,976.80x = 39,415,817,889,777,536
  5. Step 5: Solve for x
    x = 39,415,817,889,777,536/171,780,976.80
  6. Step 6: Final answer
    x = 229,453,916.40

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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.