Home / 266,713,056.67-399,551,928.52-196,555,871.23

Finding the Fourth Proportional to 266,713,056.67, 399,551,928.52 and 196,555,871.23

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Solution

The fourth proportional to 266,713,056.67, 399,551,928.52 and 196,555,871.23 is: 294,452,316.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,713,056.67 : 399,551,928.52 = 196,555,871.23 : x
  2. Step 2: Convert to fraction form
    266,713,056.67/399,551,928.52 = 196,555,871.23/x
  3. Step 3: Cross multiply
    266,713,056.67x = 399,551,928.52 × 196,555,871.23
  4. Step 4: Simplify right side
    266,713,056.67x = 78,534,277,409,386,128
  5. Step 5: Solve for x
    x = 78,534,277,409,386,128/266,713,056.67
  6. Step 6: Final answer
    x = 294,452,316.63

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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.