Finding the Fourth Proportional to 70,899,062.14, 97,841,132.28 and 39,539,090.96
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Solution
The fourth proportional to 70,899,062.14, 97,841,132.28 and 39,539,090.96 is: 54,564,183.39
Step by Step Solution
- Step 1: Write the proportion equation
70,899,062.14 : 97,841,132.28 = 39,539,090.96 : x - Step 2: Convert to fraction form
70,899,062.14/97,841,132.28 = 39,539,090.96/x - Step 3: Cross multiply
70,899,062.14x = 97,841,132.28 × 39,539,090.96 - Step 4: Simplify right side
70,899,062.14x = 3,868,549,428,848,312.50 - Step 5: Solve for x
x = 3,868,549,428,848,312.50/70,899,062.14 - Step 6: Final answer
x = 54,564,183.39
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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.