Finding the Fourth Proportional to 97,788,835.08, 134,949,666.42 and 53,735,845.32
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Solution
The fourth proportional to 97,788,835.08, 134,949,666.42 and 53,735,845.32 is: 74,156,056.72
Step by Step Solution
- Step 1: Write the proportion equation
97,788,835.08 : 134,949,666.42 = 53,735,845.32 : x - Step 2: Convert to fraction form
97,788,835.08/134,949,666.42 = 53,735,845.32/x - Step 3: Cross multiply
97,788,835.08x = 134,949,666.42 × 53,735,845.32 - Step 4: Simplify right side
97,788,835.08x = 7,251,634,400,730,717 - Step 5: Solve for x
x = 7,251,634,400,730,717/97,788,835.08 - Step 6: Final answer
x = 74,156,056.72
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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.