Finding the Fourth Proportional to 97,777,221.60, 146,683,547.10 and 49,132,655.40
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Solution
The fourth proportional to 97,777,221.60, 146,683,547.10 and 49,132,655.40 is: 73,707,884.66
Step by Step Solution
- Step 1: Write the proportion equation
97,777,221.60 : 146,683,547.10 = 49,132,655.40 : x - Step 2: Convert to fraction form
97,777,221.60/146,683,547.10 = 49,132,655.40/x - Step 3: Cross multiply
97,777,221.60x = 146,683,547.10 × 49,132,655.40 - Step 4: Simplify right side
97,777,221.60x = 7,206,952,172,513,969 - Step 5: Solve for x
x = 7,206,952,172,513,969/97,777,221.60 - Step 6: Final answer
x = 73,707,884.66
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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.