Finding the Fourth Proportional to 292,624,169.97, 438,826,894.14 and 117,688,158.30
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Solution
The fourth proportional to 292,624,169.97, 438,826,894.14 and 117,688,158.30 is: 176,488,254.50
Step by Step Solution
- Step 1: Write the proportion equation
292,624,169.97 : 438,826,894.14 = 117,688,158.30 : x - Step 2: Convert to fraction form
292,624,169.97/438,826,894.14 = 117,688,158.30/x - Step 3: Cross multiply
292,624,169.97x = 438,826,894.14 × 117,688,158.30 - Step 4: Simplify right side
292,624,169.97x = 51,644,728,983,845,656 - Step 5: Solve for x
x = 51,644,728,983,845,656/292,624,169.97 - Step 6: Final answer
x = 176,488,254.50
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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.