Finding the Fourth Proportional to 168,898,770.26, 253,386,357.27 and 91,174,005.98
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Solution
The fourth proportional to 168,898,770.26, 253,386,357.27 and 91,174,005.98 is: 136,781,630.90
Step by Step Solution
- Step 1: Write the proportion equation
168,898,770.26 : 253,386,357.27 = 91,174,005.98 : x - Step 2: Convert to fraction form
168,898,770.26/253,386,357.27 = 91,174,005.98/x - Step 3: Cross multiply
168,898,770.26x = 253,386,357.27 × 91,174,005.98 - Step 4: Simplify right side
168,898,770.26x = 23,102,249,252,985,400 - Step 5: Solve for x
x = 23,102,249,252,985,400/168,898,770.26 - Step 6: Final answer
x = 136,781,630.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.