Home / 71,036,051.52-98,029,751.12-38,441,003.52

Finding the Fourth Proportional to 71,036,051.52, 98,029,751.12 and 38,441,003.52

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Solution

The fourth proportional to 71,036,051.52, 98,029,751.12 and 38,441,003.52 is: 53,048,584.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,036,051.52 : 98,029,751.12 = 38,441,003.52 : x
  2. Step 2: Convert to fraction form
    71,036,051.52/98,029,751.12 = 38,441,003.52/x
  3. Step 3: Cross multiply
    71,036,051.52x = 98,029,751.12 × 38,441,003.52
  4. Step 4: Simplify right side
    71,036,051.52x = 3,768,362,007,868,644.50
  5. Step 5: Solve for x
    x = 3,768,362,007,868,644.50/71,036,051.52
  6. Step 6: Final answer
    x = 53,048,584.87

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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.