Finding the Fourth Proportional to 204,531,646.95, 282,245,518.11 and 115,221,510.68
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Solution
The fourth proportional to 204,531,646.95, 282,245,518.11 and 115,221,510.68 is: 159,001,090.85
Step by Step Solution
- Step 1: Write the proportion equation
204,531,646.95 : 282,245,518.11 = 115,221,510.68 : x - Step 2: Convert to fraction form
204,531,646.95/282,245,518.11 = 115,221,510.68/x - Step 3: Cross multiply
204,531,646.95x = 282,245,518.11 × 115,221,510.68 - Step 4: Simplify right side
204,531,646.95x = 32,520,754,977,882,272 - Step 5: Solve for x
x = 32,520,754,977,882,272/204,531,646.95 - Step 6: Final answer
x = 159,001,090.85
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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.