Finding the Fourth Proportional to 68,178,070.41, 101,893,532.00 and 49,772,774.24
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Solution
The fourth proportional to 68,178,070.41, 101,893,532.00 and 49,772,774.24 is: 74,386,437.36
Step by Step Solution
- Step 1: Write the proportion equation
68,178,070.41 : 101,893,532.00 = 49,772,774.24 : x - Step 2: Convert to fraction form
68,178,070.41/101,893,532.00 = 49,772,774.24/x - Step 3: Cross multiply
68,178,070.41x = 101,893,532.00 × 49,772,774.24 - Step 4: Simplify right side
68,178,070.41x = 5,071,523,763,993,884 - Step 5: Solve for x
x = 5,071,523,763,993,884/68,178,070.41 - Step 6: Final answer
x = 74,386,437.36
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.