Home / 208,592,003.20-312,888,004.80-154,844,291.20

Finding the Fourth Proportional to 208,592,003.20, 312,888,004.80 and 154,844,291.20

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Solution

The fourth proportional to 208,592,003.20, 312,888,004.80 and 154,844,291.20 is: 232,266,436.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,592,003.20 : 312,888,004.80 = 154,844,291.20 : x
  2. Step 2: Convert to fraction form
    208,592,003.20/312,888,004.80 = 154,844,291.20/x
  3. Step 3: Cross multiply
    208,592,003.20x = 312,888,004.80 × 154,844,291.20
  4. Step 4: Simplify right side
    208,592,003.20x = 48,448,921,328,238,192
  5. Step 5: Solve for x
    x = 48,448,921,328,238,192/208,592,003.20
  6. Step 6: Final answer
    x = 232,266,436.80

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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.