Finding the Fourth Proportional to 155,309,594.66, 214,331,726.67 and 85,699,458.26
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Solution
The fourth proportional to 155,309,594.66, 214,331,726.67 and 85,699,458.26 is: 118,267,727.78
Step by Step Solution
- Step 1: Write the proportion equation
155,309,594.66 : 214,331,726.67 = 85,699,458.26 : x - Step 2: Convert to fraction form
155,309,594.66/214,331,726.67 = 85,699,458.26/x - Step 3: Cross multiply
155,309,594.66x = 214,331,726.67 × 85,699,458.26 - Step 4: Simplify right side
155,309,594.66x = 18,368,112,863,549,392 - Step 5: Solve for x
x = 18,368,112,863,549,392/155,309,594.66 - Step 6: Final answer
x = 118,267,727.78
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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.