Home / 218,539,134.36-301,584,805.47-119,419,893.63

Finding the Fourth Proportional to 218,539,134.36, 301,584,805.47 and 119,419,893.63

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Solution

The fourth proportional to 218,539,134.36, 301,584,805.47 and 119,419,893.63 is: 164,799,890.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,539,134.36 : 301,584,805.47 = 119,419,893.63 : x
  2. Step 2: Convert to fraction form
    218,539,134.36/301,584,805.47 = 119,419,893.63/x
  3. Step 3: Cross multiply
    218,539,134.36x = 301,584,805.47 × 119,419,893.63
  4. Step 4: Simplify right side
    218,539,134.36x = 36,015,225,389,651,644
  5. Step 5: Solve for x
    x = 36,015,225,389,651,644/218,539,134.36
  6. Step 6: Final answer
    x = 164,799,890.40

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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.