Finding the Fourth Proportional to 89,975,097.25, 124,165,603.95 and 48,721,989.63
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Solution
The fourth proportional to 89,975,097.25, 124,165,603.95 and 48,721,989.63 is: 67,236,329.31
Step by Step Solution
- Step 1: Write the proportion equation
89,975,097.25 : 124,165,603.95 = 48,721,989.63 : x - Step 2: Convert to fraction form
89,975,097.25/124,165,603.95 = 48,721,989.63/x - Step 3: Cross multiply
89,975,097.25x = 124,165,603.95 × 48,721,989.63 - Step 4: Simplify right side
89,975,097.25x = 6,049,595,268,054,588 - Step 5: Solve for x
x = 6,049,595,268,054,588/89,975,097.25 - Step 6: Final answer
x = 67,236,329.31
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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.