Finding the Fourth Proportional to 307,901,658.97, 424,900,903.12 and 166,769,368.21
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Solution
The fourth proportional to 307,901,658.97, 424,900,903.12 and 166,769,368.21 is: 230,139,894.02
Step by Step Solution
- Step 1: Write the proportion equation
307,901,658.97 : 424,900,903.12 = 166,769,368.21 : x - Step 2: Convert to fraction form
307,901,658.97/424,900,903.12 = 166,769,368.21/x - Step 3: Cross multiply
307,901,658.97x = 424,900,903.12 × 166,769,368.21 - Step 4: Simplify right side
307,901,658.97x = 70,860,455,165,180,824 - Step 5: Solve for x
x = 70,860,455,165,180,824/307,901,658.97 - Step 6: Final answer
x = 230,139,894.02
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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.