Finding the Fourth Proportional to 68,178,076.08, 102,281,476.96 and 22,116,348.52
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Solution
The fourth proportional to 68,178,076.08, 102,281,476.96 and 22,116,348.52 is: 33,179,181.95
Step by Step Solution
- Step 1: Write the proportion equation
68,178,076.08 : 102,281,476.96 = 22,116,348.52 : x - Step 2: Convert to fraction form
68,178,076.08/102,281,476.96 = 22,116,348.52/x - Step 3: Cross multiply
68,178,076.08x = 102,281,476.96 × 22,116,348.52 - Step 4: Simplify right side
68,178,076.08x = 2,262,092,791,587,710 - Step 5: Solve for x
x = 2,262,092,791,587,710/68,178,076.08 - Step 6: Final answer
x = 33,179,181.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.