Finding the Fourth Proportional to 74,790,573.35, 102,462,607.58 and 71,993,753.23
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Solution
The fourth proportional to 74,790,573.35, 102,462,607.58 and 71,993,753.23 is: 98,630,981.89
Step by Step Solution
- Step 1: Write the proportion equation
74,790,573.35 : 102,462,607.58 = 71,993,753.23 : x - Step 2: Convert to fraction form
74,790,573.35/102,462,607.58 = 71,993,753.23/x - Step 3: Cross multiply
74,790,573.35x = 102,462,607.58 × 71,993,753.23 - Step 4: Simplify right side
74,790,573.35x = 7,376,667,685,109,217 - Step 5: Solve for x
x = 7,376,667,685,109,217/74,790,573.35 - Step 6: Final answer
x = 98,630,981.89
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.