Home / 71,242,051.32-98,314,220.16-38,647,003.32

Finding the Fourth Proportional to 71,242,051.32, 98,314,220.16 and 38,647,003.32

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Solution

The fourth proportional to 71,242,051.32, 98,314,220.16 and 38,647,003.32 is: 53,332,967.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,242,051.32 : 98,314,220.16 = 38,647,003.32 : x
  2. Step 2: Convert to fraction form
    71,242,051.32/98,314,220.16 = 38,647,003.32/x
  3. Step 3: Cross multiply
    71,242,051.32x = 98,314,220.16 × 38,647,003.32
  4. Step 4: Simplify right side
    71,242,051.32x = 3,799,549,992,926,731
  5. Step 5: Solve for x
    x = 3,799,549,992,926,731/71,242,051.32
  6. Step 6: Final answer
    x = 53,332,967.29

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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.