Home / 366,372,796.80-549,644,089.92-120,720,636.48

Finding the Fourth Proportional to 366,372,796.80, 549,644,089.92 and 120,720,636.48

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Solution

The fourth proportional to 366,372,796.80, 549,644,089.92 and 120,720,636.48 is: 181,108,927.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,372,796.80 : 549,644,089.92 = 120,720,636.48 : x
  2. Step 2: Convert to fraction form
    366,372,796.80/549,644,089.92 = 120,720,636.48/x
  3. Step 3: Cross multiply
    366,372,796.80x = 549,644,089.92 × 120,720,636.48
  4. Step 4: Simplify right side
    366,372,796.80x = 66,353,384,372,612,752
  5. Step 5: Solve for x
    x = 66,353,384,372,612,752/366,372,796.80
  6. Step 6: Final answer
    x = 181,108,927.72

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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.