Finding the Fourth Proportional to 39,673,566,993.36, 54,749,517,538.12 and 21,852,224,501.84
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Solution
The fourth proportional to 39,673,566,993.36, 54,749,517,538.12 and 21,852,224,501.84 is: 30,156,067,106.61
Step by Step Solution
- Step 1: Write the proportion equation
39,673,566,993.36 : 54,749,517,538.12 = 21,852,224,501.84 : x - Step 2: Convert to fraction form
39,673,566,993.36/54,749,517,538.12 = 21,852,224,501.84/x - Step 3: Cross multiply
39,673,566,993.36x = 54,749,517,538.12 × 21,852,224,501.84 - Step 4: Simplify right side
39,673,566,993.36x = 1,196,398,748,610,424,733,696 - Step 5: Solve for x
x = 1,196,398,748,610,424,733,696/39,673,566,993.36 - Step 6: Final answer
x = 30,156,067,106.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.