Home / 105,255,308.48-145,244,951.96-61,199,181.72

Finding the Fourth Proportional to 105,255,308.48, 145,244,951.96 and 61,199,181.72

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Solution

The fourth proportional to 105,255,308.48, 145,244,951.96 and 61,199,181.72 is: 84,450,583.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,255,308.48 : 145,244,951.96 = 61,199,181.72 : x
  2. Step 2: Convert to fraction form
    105,255,308.48/145,244,951.96 = 61,199,181.72/x
  3. Step 3: Cross multiply
    105,255,308.48x = 145,244,951.96 × 61,199,181.72
  4. Step 4: Simplify right side
    105,255,308.48x = 8,888,872,208,912,711
  5. Step 5: Solve for x
    x = 8,888,872,208,912,711/105,255,308.48
  6. Step 6: Final answer
    x = 84,450,583.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.