Home / 177,520,009.80-266,280,014.70-81,968,521.80

Finding the Fourth Proportional to 177,520,009.80, 266,280,014.70 and 81,968,521.80

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Solution

The fourth proportional to 177,520,009.80, 266,280,014.70 and 81,968,521.80 is: 122,952,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,520,009.80 : 266,280,014.70 = 81,968,521.80 : x
  2. Step 2: Convert to fraction form
    177,520,009.80/266,280,014.70 = 81,968,521.80/x
  3. Step 3: Cross multiply
    177,520,009.80x = 266,280,014.70 × 81,968,521.80
  4. Step 4: Simplify right side
    177,520,009.80x = 21,826,579,189,841,268
  5. Step 5: Solve for x
    x = 21,826,579,189,841,268/177,520,009.80
  6. Step 6: Final answer
    x = 122,952,782.70

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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.