Finding the Fourth Proportional to 117,471,669.30, 176,207,503.95 and 100,087,643.70
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Solution
The fourth proportional to 117,471,669.30, 176,207,503.95 and 100,087,643.70 is: 150,131,465.55
Step by Step Solution
- Step 1: Write the proportion equation
117,471,669.30 : 176,207,503.95 = 100,087,643.70 : x - Step 2: Convert to fraction form
117,471,669.30/176,207,503.95 = 100,087,643.70/x - Step 3: Cross multiply
117,471,669.30x = 176,207,503.95 × 100,087,643.70 - Step 4: Simplify right side
117,471,669.30x = 17,636,193,872,613,942 - Step 5: Solve for x
x = 17,636,193,872,613,942/117,471,669.30 - Step 6: Final answer
x = 150,131,465.55
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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.