Finding the Fourth Proportional to 156,016,312.68, 214,955,842.14 and 102,998,596.08
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Solution
The fourth proportional to 156,016,312.68, 214,955,842.14 and 102,998,596.08 is: 141,909,198.98
Step by Step Solution
- Step 1: Write the proportion equation
156,016,312.68 : 214,955,842.14 = 102,998,596.08 : x - Step 2: Convert to fraction form
156,016,312.68/214,955,842.14 = 102,998,596.08/x - Step 3: Cross multiply
156,016,312.68x = 214,955,842.14 × 102,998,596.08 - Step 4: Simplify right side
156,016,312.68x = 22,140,149,959,614,100 - Step 5: Solve for x
x = 22,140,149,959,614,100/156,016,312.68 - Step 6: Final answer
x = 141,909,198.98
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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.