Finding the Fourth Proportional to 74,057,056.95, 102,267,435.58 and 55,439,875.91
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Solution
The fourth proportional to 74,057,056.95, 102,267,435.58 and 55,439,875.91 is: 76,558,456.03
Step by Step Solution
- Step 1: Write the proportion equation
74,057,056.95 : 102,267,435.58 = 55,439,875.91 : x - Step 2: Convert to fraction form
74,057,056.95/102,267,435.58 = 55,439,875.91/x - Step 3: Cross multiply
74,057,056.95x = 102,267,435.58 × 55,439,875.91 - Step 4: Simplify right side
74,057,056.95x = 5,669,693,938,617,760 - Step 5: Solve for x
x = 5,669,693,938,617,760/74,057,056.95 - Step 6: Final answer
x = 76,558,456.03
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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.