Finding the Fourth Proportional to 81,836,656.10, 122,772,698.85 and 24,334,739.90
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Solution
The fourth proportional to 81,836,656.10, 122,772,698.85 and 24,334,739.90 is: 36,507,377.45
Step by Step Solution
- Step 1: Write the proportion equation
81,836,656.10 : 122,772,698.85 = 24,334,739.90 : x - Step 2: Convert to fraction form
81,836,656.10/122,772,698.85 = 24,334,739.90/x - Step 3: Cross multiply
81,836,656.10x = 122,772,698.85 × 24,334,739.90 - Step 4: Simplify right side
81,836,656.10x = 2,987,641,693,335,779 - Step 5: Solve for x
x = 2,987,641,693,335,779/81,836,656.10 - Step 6: Final answer
x = 36,507,377.45
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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.