Finding the Fourth Proportional to 118,873,660.26, 178,328,207.76 and 42,190,266.90
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Solution
The fourth proportional to 118,873,660.26, 178,328,207.76 and 42,190,266.90 is: 63,291,688.54
Step by Step Solution
- Step 1: Write the proportion equation
118,873,660.26 : 178,328,207.76 = 42,190,266.90 : x - Step 2: Convert to fraction form
118,873,660.26/178,328,207.76 = 42,190,266.90/x - Step 3: Cross multiply
118,873,660.26x = 178,328,207.76 × 42,190,266.90 - Step 4: Simplify right side
118,873,660.26x = 7,523,714,681,193,050 - Step 5: Solve for x
x = 7,523,714,681,193,050/118,873,660.26 - Step 6: Final answer
x = 63,291,688.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.