Finding the Fourth Proportional to 68,243,462.63, 102,365,193.95 and 22,805,257.13
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Solution
The fourth proportional to 68,243,462.63, 102,365,193.95 and 22,805,257.13 is: 34,207,885.70
Step by Step Solution
- Step 1: Write the proportion equation
68,243,462.63 : 102,365,193.95 = 22,805,257.13 : x - Step 2: Convert to fraction form
68,243,462.63/102,365,193.95 = 22,805,257.13/x - Step 3: Cross multiply
68,243,462.63x = 102,365,193.95 × 22,805,257.13 - Step 4: Simplify right side
68,243,462.63x = 2,334,464,569,192,070.50 - Step 5: Solve for x
x = 2,334,464,569,192,070.50/68,243,462.63 - Step 6: Final answer
x = 34,207,885.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.