Finding the Fourth Proportional to 68,497,959.68, 94,540,916.94 and 40,636,134.98
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Solution
The fourth proportional to 68,497,959.68, 94,540,916.94 and 40,636,134.98 is: 56,086,013.07
Step by Step Solution
- Step 1: Write the proportion equation
68,497,959.68 : 94,540,916.94 = 40,636,134.98 : x - Step 2: Convert to fraction form
68,497,959.68/94,540,916.94 = 40,636,134.98/x - Step 3: Cross multiply
68,497,959.68x = 94,540,916.94 × 40,636,134.98 - Step 4: Simplify right side
68,497,959.68x = 3,841,777,461,906,808 - Step 5: Solve for x
x = 3,841,777,461,906,808/68,497,959.68 - Step 6: Final answer
x = 56,086,013.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.