Finding the Fourth Proportional to 81,730,295.75, 122,625,337.21 and 38,031,895.26
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Solution
The fourth proportional to 81,730,295.75, 122,625,337.21 and 38,031,895.26 is: 57,061,753.40
Step by Step Solution
- Step 1: Write the proportion equation
81,730,295.75 : 122,625,337.21 = 38,031,895.26 : x - Step 2: Convert to fraction form
81,730,295.75/122,625,337.21 = 38,031,895.26/x - Step 3: Cross multiply
81,730,295.75x = 122,625,337.21 × 38,031,895.26 - Step 4: Simplify right side
81,730,295.75x = 4,663,673,980,992,900 - Step 5: Solve for x
x = 4,663,673,980,992,900/81,730,295.75 - Step 6: Final answer
x = 57,061,753.40
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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.