Finding the Fourth Proportional to 79,172,946.24, 118,557,813.60 and 52,164,720.96
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Solution
The fourth proportional to 79,172,946.24, 118,557,813.60 and 52,164,720.96 is: 78,114,249.35
Step by Step Solution
- Step 1: Write the proportion equation
79,172,946.24 : 118,557,813.60 = 52,164,720.96 : x - Step 2: Convert to fraction form
79,172,946.24/118,557,813.60 = 52,164,720.96/x - Step 3: Cross multiply
79,172,946.24x = 118,557,813.60 × 52,164,720.96 - Step 4: Simplify right side
79,172,946.24x = 6,184,535,264,071,693 - Step 5: Solve for x
x = 6,184,535,264,071,693/79,172,946.24 - Step 6: Final answer
x = 78,114,249.35
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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.