Home / 39,762,293,020.84-54,873,128,672.58-21,698,973,168.04

Finding the Fourth Proportional to 39,762,293,020.84, 54,873,128,672.58 and 21,698,973,168.04

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Solution

The fourth proportional to 39,762,293,020.84, 54,873,128,672.58 and 21,698,973,168.04 is: 29,945,218,352.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,762,293,020.84 : 54,873,128,672.58 = 21,698,973,168.04 : x
  2. Step 2: Convert to fraction form
    39,762,293,020.84/54,873,128,672.58 = 21,698,973,168.04/x
  3. Step 3: Cross multiply
    39,762,293,020.84x = 54,873,128,672.58 × 21,698,973,168.04
  4. Step 4: Simplify right side
    39,762,293,020.84x = 1,190,690,546,712,719,917,056
  5. Step 5: Solve for x
    x = 1,190,690,546,712,719,917,056/39,762,293,020.84
  6. Step 6: Final answer
    x = 29,945,218,352.69

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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.