Finding the Fourth Proportional to 70,764,244.62, 97,654,457.28 and 39,824,412.99
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Solution
The fourth proportional to 70,764,244.62, 97,654,457.28 and 39,824,412.99 is: 54,957,577.20
Step by Step Solution
- Step 1: Write the proportion equation
70,764,244.62 : 97,654,457.28 = 39,824,412.99 : x - Step 2: Convert to fraction form
70,764,244.62/97,654,457.28 = 39,824,412.99/x - Step 3: Cross multiply
70,764,244.62x = 97,654,457.28 × 39,824,412.99 - Step 4: Simplify right side
70,764,244.62x = 3,889,031,437,033,032.50 - Step 5: Solve for x
x = 3,889,031,437,033,032.50/70,764,244.62 - Step 6: Final answer
x = 54,957,577.20
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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.