Finding the Fourth Proportional to 53,805,909.92, 74,253,948 and 29,360,965.28
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Solution
The fourth proportional to 53,805,909.92, 74,253,948 and 29,360,965.28 is: 40,519,110.12
Step by Step Solution
- Step 1: Write the proportion equation
53,805,909.92 : 74,253,948 = 29,360,965.28 : x - Step 2: Convert to fraction form
53,805,909.92/74,253,948 = 29,360,965.28/x - Step 3: Cross multiply
53,805,909.92x = 74,253,948 × 29,360,965.28 - Step 4: Simplify right side
53,805,909.92x = 2,180,167,589,130,925.50 - Step 5: Solve for x
x = 2,180,167,589,130,925.50/53,805,909.92 - Step 6: Final answer
x = 40,519,110.12
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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.