Home / 77,157,861.90-106,477,475.49-42,351,144.54

Finding the Fourth Proportional to 77,157,861.90, 106,477,475.49 and 42,351,144.54

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Solution

The fourth proportional to 77,157,861.90, 106,477,475.49 and 42,351,144.54 is: 58,444,374.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,157,861.90 : 106,477,475.49 = 42,351,144.54 : x
  2. Step 2: Convert to fraction form
    77,157,861.90/106,477,475.49 = 42,351,144.54/x
  3. Step 3: Cross multiply
    77,157,861.90x = 106,477,475.49 × 42,351,144.54
  4. Step 4: Simplify right side
    77,157,861.90x = 4,509,442,954,731,297
  5. Step 5: Solve for x
    x = 4,509,442,954,731,297/77,157,861.90
  6. Step 6: Final answer
    x = 58,444,374.22

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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.