Finding the Fourth Proportional to 102,850,304.84, 141,926,432.98 and 56,443,548.12
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Solution
The fourth proportional to 102,850,304.84, 141,926,432.98 and 56,443,548.12 is: 77,888,261.60
Step by Step Solution
- Step 1: Write the proportion equation
102,850,304.84 : 141,926,432.98 = 56,443,548.12 : x - Step 2: Convert to fraction form
102,850,304.84/141,926,432.98 = 56,443,548.12/x - Step 3: Cross multiply
102,850,304.84x = 141,926,432.98 × 56,443,548.12 - Step 4: Simplify right side
102,850,304.84x = 8,010,831,449,406,584 - Step 5: Solve for x
x = 8,010,831,449,406,584/102,850,304.84 - Step 6: Final answer
x = 77,888,261.60
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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.