Finding the Fourth Proportional to 79,061,163.72, 109,098,448.93 and 48,117,913.08
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Solution
The fourth proportional to 79,061,163.72, 109,098,448.93 and 48,117,913.08 is: 66,399,094.52
Step by Step Solution
- Step 1: Write the proportion equation
79,061,163.72 : 109,098,448.93 = 48,117,913.08 : x - Step 2: Convert to fraction form
79,061,163.72/109,098,448.93 = 48,117,913.08/x - Step 3: Cross multiply
79,061,163.72x = 109,098,448.93 × 48,117,913.08 - Step 4: Simplify right side
79,061,163.72x = 5,249,589,682,776,559 - Step 5: Solve for x
x = 5,249,589,682,776,559/79,061,163.72 - Step 6: Final answer
x = 66,399,094.52
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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.