Home / 282,365,796.96-389,604,355.92-164,837,790.72

Finding the Fourth Proportional to 282,365,796.96, 389,604,355.92 and 164,837,790.72

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Solution

The fourth proportional to 282,365,796.96, 389,604,355.92 and 164,837,790.72 is: 227,440,865.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,365,796.96 : 389,604,355.92 = 164,837,790.72 : x
  2. Step 2: Convert to fraction form
    282,365,796.96/389,604,355.92 = 164,837,790.72/x
  3. Step 3: Cross multiply
    282,365,796.96x = 389,604,355.92 × 164,837,790.72
  4. Step 4: Simplify right side
    282,365,796.96x = 64,221,521,284,741,352
  5. Step 5: Solve for x
    x = 64,221,521,284,741,352/282,365,796.96
  6. Step 6: Final answer
    x = 227,440,865.63

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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.