Finding the Fourth Proportional to 53,436,264.48, 73,742,071.68 and 28,989,972
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Solution
The fourth proportional to 53,436,264.48, 73,742,071.68 and 28,989,972 is: 40,006,175.84
Step by Step Solution
- Step 1: Write the proportion equation
53,436,264.48 : 73,742,071.68 = 28,989,972 : x - Step 2: Convert to fraction form
53,436,264.48/73,742,071.68 = 28,989,972/x - Step 3: Cross multiply
53,436,264.48x = 73,742,071.68 × 28,989,972 - Step 4: Simplify right side
53,436,264.48x = 2,137,780,593,225,193.25 - Step 5: Solve for x
x = 2,137,780,593,225,193.25/53,436,264.48 - Step 6: Final answer
x = 40,006,175.84
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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.