Finding the Fourth Proportional to 64,519,093.20, 96,778,639.80 and 58,547,125.20
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Solution
The fourth proportional to 64,519,093.20, 96,778,639.80 and 58,547,125.20 is: 87,820,687.80
Step by Step Solution
- Step 1: Write the proportion equation
64,519,093.20 : 96,778,639.80 = 58,547,125.20 : x - Step 2: Convert to fraction form
64,519,093.20/96,778,639.80 = 58,547,125.20/x - Step 3: Cross multiply
64,519,093.20x = 96,778,639.80 × 58,547,125.20 - Step 4: Simplify right side
64,519,093.20x = 5,666,111,141,056,303 - Step 5: Solve for x
x = 5,666,111,141,056,303/64,519,093.20 - Step 6: Final answer
x = 87,820,687.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.