Finding the Fourth Proportional to 68,623,341.42, 102,938,322.72 and 22,564,190.76
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Solution
The fourth proportional to 68,623,341.42, 102,938,322.72 and 22,564,190.76 is: 33,847,374.70
Step by Step Solution
- Step 1: Write the proportion equation
68,623,341.42 : 102,938,322.72 = 22,564,190.76 : x - Step 2: Convert to fraction form
68,623,341.42/102,938,322.72 = 22,564,190.76/x - Step 3: Cross multiply
68,623,341.42x = 102,938,322.72 × 22,564,190.76 - Step 4: Simplify right side
68,623,341.42x = 2,322,719,950,368,522 - Step 5: Solve for x
x = 2,322,719,950,368,522/68,623,341.42 - Step 6: Final answer
x = 33,847,374.70
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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.