Finding the Fourth Proportional to 97,432,191.68, 134,456,404.44 and 53,380,753.12
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Solution
The fourth proportional to 97,432,191.68, 134,456,404.44 and 53,380,753.12 is: 73,665,428.31
Step by Step Solution
- Step 1: Write the proportion equation
97,432,191.68 : 134,456,404.44 = 53,380,753.12 : x - Step 2: Convert to fraction form
97,432,191.68/134,456,404.44 = 53,380,753.12/x - Step 3: Cross multiply
97,432,191.68x = 134,456,404.44 × 53,380,753.12 - Step 4: Simplify right side
97,432,191.68x = 7,177,384,130,814,511 - Step 5: Solve for x
x = 7,177,384,130,814,511/97,432,191.68 - Step 6: Final answer
x = 73,665,428.31
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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.