Home / 223,444,815.20-308,349,003.50-129,362,926.40

Finding the Fourth Proportional to 223,444,815.20, 308,349,003.50 and 129,362,926.40

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Solution

The fourth proportional to 223,444,815.20, 308,349,003.50 and 129,362,926.40 is: 178,518,035.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,444,815.20 : 308,349,003.50 = 129,362,926.40 : x
  2. Step 2: Convert to fraction form
    223,444,815.20/308,349,003.50 = 129,362,926.40/x
  3. Step 3: Cross multiply
    223,444,815.20x = 308,349,003.50 × 129,362,926.40
  4. Step 4: Simplify right side
    223,444,815.20x = 39,888,929,445,283,848
  5. Step 5: Solve for x
    x = 39,888,929,445,283,848/223,444,815.20
  6. Step 6: Final answer
    x = 178,518,035.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.