Finding the Fourth Proportional to 92,520,686.32, 127,678,547.97 and 51,267,578.68
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Solution
The fourth proportional to 92,520,686.32, 127,678,547.97 and 51,267,578.68 is: 70,749,259.05
Step by Step Solution
- Step 1: Write the proportion equation
92,520,686.32 : 127,678,547.97 = 51,267,578.68 : x - Step 2: Convert to fraction form
92,520,686.32/127,678,547.97 = 51,267,578.68/x - Step 3: Cross multiply
92,520,686.32x = 127,678,547.97 × 51,267,578.68 - Step 4: Simplify right side
92,520,686.32x = 6,545,770,003,800,129 - Step 5: Solve for x
x = 6,545,770,003,800,129/92,520,686.32 - Step 6: Final answer
x = 70,749,259.05
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.