Home / 68,101,401,973.98-93,982,789,853.96-39,165,614,474.64

Finding the Fourth Proportional to 68,101,401,973.98, 93,982,789,853.96 and 39,165,614,474.64

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Solution

The fourth proportional to 68,101,401,973.98, 93,982,789,853.96 and 39,165,614,474.64 is: 54,050,189,981.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,101,401,973.98 : 93,982,789,853.96 = 39,165,614,474.64 : x
  2. Step 2: Convert to fraction form
    68,101,401,973.98/93,982,789,853.96 = 39,165,614,474.64/x
  3. Step 3: Cross multiply
    68,101,401,973.98x = 93,982,789,853.96 × 39,165,614,474.64
  4. Step 4: Simplify right side
    68,101,401,973.98x = 3,680,893,714,671,109,406,720
  5. Step 5: Solve for x
    x = 3,680,893,714,671,109,406,720/68,101,401,973.98
  6. Step 6: Final answer
    x = 54,050,189,981.07

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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.