Finding the Fourth Proportional to 64,672,607.40, 97,079,769.90 and 40,438,897.80
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Solution
The fourth proportional to 64,672,607.40, 97,079,769.90 and 40,438,897.80 is: 60,702,653.74
Step by Step Solution
- Step 1: Write the proportion equation
64,672,607.40 : 97,079,769.90 = 40,438,897.80 : x - Step 2: Convert to fraction form
64,672,607.40/97,079,769.90 = 40,438,897.80/x - Step 3: Cross multiply
64,672,607.40x = 97,079,769.90 × 40,438,897.80 - Step 4: Simplify right side
64,672,607.40x = 3,925,798,893,433,616 - Step 5: Solve for x
x = 3,925,798,893,433,616/64,672,607.40 - Step 6: Final answer
x = 60,702,653.74
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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.