Finding the Fourth Proportional to 75,405,771.12, 104,053,573.08 and 42,363,428.40
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Solution
The fourth proportional to 75,405,771.12, 104,053,573.08 and 42,363,428.40 is: 58,457,940.65
Step by Step Solution
- Step 1: Write the proportion equation
75,405,771.12 : 104,053,573.08 = 42,363,428.40 : x - Step 2: Convert to fraction form
75,405,771.12/104,053,573.08 = 42,363,428.40/x - Step 3: Cross multiply
75,405,771.12x = 104,053,573.08 × 42,363,428.40 - Step 4: Simplify right side
75,405,771.12x = 4,408,066,092,938,747 - Step 5: Solve for x
x = 4,408,066,092,938,747/75,405,771.12 - Step 6: Final answer
x = 58,457,940.65
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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.