Home / 383,538,973.84-575,717,866.80-165,297,019.12

Finding the Fourth Proportional to 383,538,973.84, 575,717,866.80 and 165,297,019.12

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Solution

The fourth proportional to 383,538,973.84, 575,717,866.80 and 165,297,019.12 is: 248,121,973.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,538,973.84 : 575,717,866.80 = 165,297,019.12 : x
  2. Step 2: Convert to fraction form
    383,538,973.84/575,717,866.80 = 165,297,019.12/x
  3. Step 3: Cross multiply
    383,538,973.84x = 575,717,866.80 × 165,297,019.12
  4. Step 4: Simplify right side
    383,538,973.84x = 95,164,447,236,165,216
  5. Step 5: Solve for x
    x = 95,164,447,236,165,216/383,538,973.84
  6. Step 6: Final answer
    x = 248,121,973.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.