Finding the Fourth Proportional to 75,450,689.60, 113,164,663.81 and 48,346,388.80
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Solution
The fourth proportional to 75,450,689.60, 113,164,663.81 and 48,346,388.80 is: 72,512,297.29
Step by Step Solution
- Step 1: Write the proportion equation
75,450,689.60 : 113,164,663.81 = 48,346,388.80 : x - Step 2: Convert to fraction form
75,450,689.60/113,164,663.81 = 48,346,388.80/x - Step 3: Cross multiply
75,450,689.60x = 113,164,663.81 × 48,346,388.80 - Step 4: Simplify right side
75,450,689.60x = 5,471,102,834,938,226 - Step 5: Solve for x
x = 5,471,102,834,938,226/75,450,689.60 - Step 6: Final answer
x = 72,512,297.29
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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.