Finding the Fourth Proportional to 116,313,726.15, 160,536,760.68 and 69,298,341.66
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Solution
The fourth proportional to 116,313,726.15, 160,536,760.68 and 69,298,341.66 is: 95,645,902.33
Step by Step Solution
- Step 1: Write the proportion equation
116,313,726.15 : 160,536,760.68 = 69,298,341.66 : x - Step 2: Convert to fraction form
116,313,726.15/160,536,760.68 = 69,298,341.66/x - Step 3: Cross multiply
116,313,726.15x = 160,536,760.68 × 69,298,341.66 - Step 4: Simplify right side
116,313,726.15x = 11,124,931,290,592,294 - Step 5: Solve for x
x = 11,124,931,290,592,294/116,313,726.15 - Step 6: Final answer
x = 95,645,902.33
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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.