Home / 74,382,051.96-111,575,595.06-19,794,691.32

Finding the Fourth Proportional to 74,382,051.96, 111,575,595.06 and 19,794,691.32

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Solution

The fourth proportional to 74,382,051.96, 111,575,595.06 and 19,794,691.32 is: 29,692,706.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,382,051.96 : 111,575,595.06 = 19,794,691.32 : x
  2. Step 2: Convert to fraction form
    74,382,051.96/111,575,595.06 = 19,794,691.32/x
  3. Step 3: Cross multiply
    74,382,051.96x = 111,575,595.06 × 19,794,691.32
  4. Step 4: Simplify right side
    74,382,051.96x = 2,208,604,463,058,017
  5. Step 5: Solve for x
    x = 2,208,604,463,058,017/74,382,051.96
  6. Step 6: Final answer
    x = 29,692,706.84

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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.