Home / 78,581,647.16-108,445,940.34-43,774,328.24

Finding the Fourth Proportional to 78,581,647.16, 108,445,940.34 and 43,774,328.24

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Solution

The fourth proportional to 78,581,647.16, 108,445,940.34 and 43,774,328.24 is: 60,410,393.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,581,647.16 : 108,445,940.34 = 43,774,328.24 : x
  2. Step 2: Convert to fraction form
    78,581,647.16/108,445,940.34 = 43,774,328.24/x
  3. Step 3: Cross multiply
    78,581,647.16x = 108,445,940.34 × 43,774,328.24
  4. Step 4: Simplify right side
    78,581,647.16x = 4,747,148,188,738,618
  5. Step 5: Solve for x
    x = 4,747,148,188,738,618/78,581,647.16
  6. Step 6: Final answer
    x = 60,410,393.02

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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.