Home / 179,698,970.80-269,548,456.20-172,644,583.60

Finding the Fourth Proportional to 179,698,970.80, 269,548,456.20 and 172,644,583.60

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Solution

The fourth proportional to 179,698,970.80, 269,548,456.20 and 172,644,583.60 is: 258,966,875.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,698,970.80 : 269,548,456.20 = 172,644,583.60 : x
  2. Step 2: Convert to fraction form
    179,698,970.80/269,548,456.20 = 172,644,583.60/x
  3. Step 3: Cross multiply
    179,698,970.80x = 269,548,456.20 × 172,644,583.60
  4. Step 4: Simplify right side
    179,698,970.80x = 46,536,080,980,671,832
  5. Step 5: Solve for x
    x = 46,536,080,980,671,832/179,698,970.80
  6. Step 6: Final answer
    x = 258,966,875.40

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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.