Home / 205,883,339.20-308,825,008.80-124,254,001.60

Finding the Fourth Proportional to 205,883,339.20, 308,825,008.80 and 124,254,001.60

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Solution

The fourth proportional to 205,883,339.20, 308,825,008.80 and 124,254,001.60 is: 186,381,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,883,339.20 : 308,825,008.80 = 124,254,001.60 : x
  2. Step 2: Convert to fraction form
    205,883,339.20/308,825,008.80 = 124,254,001.60/x
  3. Step 3: Cross multiply
    205,883,339.20x = 308,825,008.80 × 124,254,001.60
  4. Step 4: Simplify right side
    205,883,339.20x = 38,372,743,137,555,216
  5. Step 5: Solve for x
    x = 38,372,743,137,555,216/205,883,339.20
  6. Step 6: Final answer
    x = 186,381,002.40

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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.