Finding the Fourth Proportional to 92,643,675.72, 138,966,511.44 and 27,948,041.28
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Solution
The fourth proportional to 92,643,675.72, 138,966,511.44 and 27,948,041.28 is: 41,922,362.95
Step by Step Solution
- Step 1: Write the proportion equation
92,643,675.72 : 138,966,511.44 = 27,948,041.28 : x - Step 2: Convert to fraction form
92,643,675.72/138,966,511.44 = 27,948,041.28/x - Step 3: Cross multiply
92,643,675.72x = 138,966,511.44 × 27,948,041.28 - Step 4: Simplify right side
92,643,675.72x = 3,883,841,798,262,712.50 - Step 5: Solve for x
x = 3,883,841,798,262,712.50/92,643,675.72 - Step 6: Final answer
x = 41,922,362.95
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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.