Finding the Fourth Proportional to 201,470,868.68, 302,172,497.46 and 55,919,217.11
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Solution
The fourth proportional to 201,470,868.68, 302,172,497.46 and 55,919,217.11 is: 83,869,442.76
Step by Step Solution
- Step 1: Write the proportion equation
201,470,868.68 : 302,172,497.46 = 55,919,217.11 : x - Step 2: Convert to fraction form
201,470,868.68/302,172,497.46 = 55,919,217.11/x - Step 3: Cross multiply
201,470,868.68x = 302,172,497.46 × 55,919,217.11 - Step 4: Simplify right side
201,470,868.68x = 16,897,249,488,625,798 - Step 5: Solve for x
x = 16,897,249,488,625,798/201,470,868.68 - Step 6: Final answer
x = 83,869,442.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.