Finding the Fourth Proportional to 128,083,102.97, 176,752,572.06 and 69,345,298.49
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Solution
The fourth proportional to 128,083,102.97, 176,752,572.06 and 69,345,298.49 is: 95,695,369.52
Step by Step Solution
- Step 1: Write the proportion equation
128,083,102.97 : 176,752,572.06 = 69,345,298.49 : x - Step 2: Convert to fraction form
128,083,102.97/176,752,572.06 = 69,345,298.49/x - Step 3: Cross multiply
128,083,102.97x = 176,752,572.06 × 69,345,298.49 - Step 4: Simplify right side
128,083,102.97x = 12,256,959,867,492,172 - Step 5: Solve for x
x = 12,256,959,867,492,172/128,083,102.97 - Step 6: Final answer
x = 95,695,369.52
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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.