Home / 68,763,792.78-95,030,129.70-56,354,317.38

Finding the Fourth Proportional to 68,763,792.78, 95,030,129.70 and 56,354,317.38

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Solution

The fourth proportional to 68,763,792.78, 95,030,129.70 and 56,354,317.38 is: 77,880,493.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,763,792.78 : 95,030,129.70 = 56,354,317.38 : x
  2. Step 2: Convert to fraction form
    68,763,792.78/95,030,129.70 = 56,354,317.38/x
  3. Step 3: Cross multiply
    68,763,792.78x = 95,030,129.70 × 56,354,317.38
  4. Step 4: Simplify right side
    68,763,792.78x = 5,355,358,089,776,365
  5. Step 5: Solve for x
    x = 5,355,358,089,776,365/68,763,792.78
  6. Step 6: Final answer
    x = 77,880,493.11

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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.