Finding the Fourth Proportional to 53,989,643.34, 74,505,506.13 and 29,209,750.74
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Solution
The fourth proportional to 53,989,643.34, 74,505,506.13 and 29,209,750.74 is: 40,309,346.91
Step by Step Solution
- Step 1: Write the proportion equation
53,989,643.34 : 74,505,506.13 = 29,209,750.74 : x - Step 2: Convert to fraction form
53,989,643.34/74,505,506.13 = 29,209,750.74/x - Step 3: Cross multiply
53,989,643.34x = 74,505,506.13 × 29,209,750.74 - Step 4: Simplify right side
53,989,643.34x = 2,176,287,262,814,841.75 - Step 5: Solve for x
x = 2,176,287,262,814,841.75/53,989,643.34 - Step 6: Final answer
x = 40,309,346.91
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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.