Home / 225,374,811.66-311,308,989.48-186,374,128.14

Finding the Fourth Proportional to 225,374,811.66, 311,308,989.48 and 186,374,128.14

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Solution

The fourth proportional to 225,374,811.66, 311,308,989.48 and 186,374,128.14 is: 257,437,559.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,374,811.66 : 311,308,989.48 = 186,374,128.14 : x
  2. Step 2: Convert to fraction form
    225,374,811.66/311,308,989.48 = 186,374,128.14/x
  3. Step 3: Cross multiply
    225,374,811.66x = 311,308,989.48 × 186,374,128.14
  4. Step 4: Simplify right side
    225,374,811.66x = 58,019,941,496,479,432
  5. Step 5: Solve for x
    x = 58,019,941,496,479,432/225,374,811.66
  6. Step 6: Final answer
    x = 257,437,559.54

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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.