Home / 74,975,421.67-112,468,067.03-19,644,611.45

Finding the Fourth Proportional to 74,975,421.67, 112,468,067.03 and 19,644,611.45

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Solution

The fourth proportional to 74,975,421.67, 112,468,067.03 and 19,644,611.45 is: 29,468,210.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,975,421.67 : 112,468,067.03 = 19,644,611.45 : x
  2. Step 2: Convert to fraction form
    74,975,421.67/112,468,067.03 = 19,644,611.45/x
  3. Step 3: Cross multiply
    74,975,421.67x = 112,468,067.03 × 19,644,611.45
  4. Step 4: Simplify right side
    74,975,421.67x = 2,209,391,476,823,676.75
  5. Step 5: Solve for x
    x = 2,209,391,476,823,676.75/74,975,421.67
  6. Step 6: Final answer
    x = 29,468,210.08

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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.