Home / 261,699,135.48-361,081,380.69-148,643,477.82

Finding the Fourth Proportional to 261,699,135.48, 361,081,380.69 and 148,643,477.82

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Solution

The fourth proportional to 261,699,135.48, 361,081,380.69 and 148,643,477.82 is: 205,091,973.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,699,135.48 : 361,081,380.69 = 148,643,477.82 : x
  2. Step 2: Convert to fraction form
    261,699,135.48/361,081,380.69 = 148,643,477.82/x
  3. Step 3: Cross multiply
    261,699,135.48x = 361,081,380.69 × 148,643,477.82
  4. Step 4: Simplify right side
    261,699,135.48x = 53,672,392,201,808,992
  5. Step 5: Solve for x
    x = 53,672,392,201,808,992/261,699,135.48
  6. Step 6: Final answer
    x = 205,091,973.66

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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.