Finding the Fourth Proportional to 78,885,691.82, 118,341,252.74 and 24,298,251.95
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Solution
The fourth proportional to 78,885,691.82, 118,341,252.74 and 24,298,251.95 is: 36,451,294.39
Step by Step Solution
- Step 1: Write the proportion equation
78,885,691.82 : 118,341,252.74 = 24,298,251.95 : x - Step 2: Convert to fraction form
78,885,691.82/118,341,252.74 = 24,298,251.95/x - Step 3: Cross multiply
78,885,691.82x = 118,341,252.74 × 24,298,251.95 - Step 4: Simplify right side
78,885,691.82x = 2,875,485,575,511,747 - Step 5: Solve for x
x = 2,875,485,575,511,747/78,885,691.82 - Step 6: Final answer
x = 36,451,294.39
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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.