Home / 75,082,664.12-103,614,076.52-40,743,848.12

Finding the Fourth Proportional to 75,082,664.12, 103,614,076.52 and 40,743,848.12

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Solution

The fourth proportional to 75,082,664.12, 103,614,076.52 and 40,743,848.12 is: 56,226,510.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,082,664.12 : 103,614,076.52 = 40,743,848.12 : x
  2. Step 2: Convert to fraction form
    75,082,664.12/103,614,076.52 = 40,743,848.12/x
  3. Step 3: Cross multiply
    75,082,664.12x = 103,614,076.52 × 40,743,848.12
  4. Step 4: Simplify right side
    75,082,664.12x = 4,221,636,196,824,937.50
  5. Step 5: Solve for x
    x = 4,221,636,196,824,937.50/75,082,664.12
  6. Step 6: Final answer
    x = 56,226,510.42

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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.