Finding the Fourth Proportional to 152,985,201.98, 211,059,649.40 and 94,145,715.14
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Solution
The fourth proportional to 152,985,201.98, 211,059,649.40 and 94,145,715.14 is: 129,884,206.92
Step by Step Solution
- Step 1: Write the proportion equation
152,985,201.98 : 211,059,649.40 = 94,145,715.14 : x - Step 2: Convert to fraction form
152,985,201.98/211,059,649.40 = 94,145,715.14/x - Step 3: Cross multiply
152,985,201.98x = 211,059,649.40 × 94,145,715.14 - Step 4: Simplify right side
152,985,201.98x = 19,870,361,628,434,648 - Step 5: Solve for x
x = 19,870,361,628,434,648/152,985,201.98 - Step 6: Final answer
x = 129,884,206.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.