Home / 107,774,109.40-161,715,768.90-47,190,429.40

Finding the Fourth Proportional to 107,774,109.40, 161,715,768.90 and 47,190,429.40

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Solution

The fourth proportional to 107,774,109.40, 161,715,768.90 and 47,190,429.40 is: 70,809,553.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,774,109.40 : 161,715,768.90 = 47,190,429.40 : x
  2. Step 2: Convert to fraction form
    107,774,109.40/161,715,768.90 = 47,190,429.40/x
  3. Step 3: Cross multiply
    107,774,109.40x = 161,715,768.90 × 47,190,429.40
  4. Step 4: Simplify right side
    107,774,109.40x = 7,631,436,575,142,166
  5. Step 5: Solve for x
    x = 7,631,436,575,142,166/107,774,109.40
  6. Step 6: Final answer
    x = 70,809,553.59

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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.