Finding the Fourth Proportional to 128,083,547.57, 176,753,152.28 and 69,345,735.80
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Solution
The fourth proportional to 128,083,547.57, 176,753,152.28 and 69,345,735.80 is: 95,695,954.96
Step by Step Solution
- Step 1: Write the proportion equation
128,083,547.57 : 176,753,152.28 = 69,345,735.80 : x - Step 2: Convert to fraction form
128,083,547.57/176,753,152.28 = 69,345,735.80/x - Step 3: Cross multiply
128,083,547.57x = 176,753,152.28 × 69,345,735.80 - Step 4: Simplify right side
128,083,547.57x = 12,257,077,399,115,646 - Step 5: Solve for x
x = 12,257,077,399,115,646/128,083,547.57 - Step 6: Final answer
x = 95,695,954.96
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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.