Home / 308,405,582.31-425,595,733.02-176,245,065.39

Finding the Fourth Proportional to 308,405,582.31, 425,595,733.02 and 176,245,065.39

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Solution

The fourth proportional to 308,405,582.31, 425,595,733.02 and 176,245,065.39 is: 243,215,921.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,405,582.31 : 425,595,733.02 = 176,245,065.39 : x
  2. Step 2: Convert to fraction form
    308,405,582.31/425,595,733.02 = 176,245,065.39/x
  3. Step 3: Cross multiply
    308,405,582.31x = 425,595,733.02 × 176,245,065.39
  4. Step 4: Simplify right side
    308,405,582.31x = 75,009,147,795,814,880
  5. Step 5: Solve for x
    x = 75,009,147,795,814,880/308,405,582.31
  6. Step 6: Final answer
    x = 243,215,921.17

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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.