Finding the Fourth Proportional to 115,604,337.60, 159,379,652.97 and 91,840,811.13
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Solution
The fourth proportional to 115,604,337.60, 159,379,652.97 and 91,840,811.13 is: 126,617,710.98
Step by Step Solution
- Step 1: Write the proportion equation
115,604,337.60 : 159,379,652.97 = 91,840,811.13 : x - Step 2: Convert to fraction form
115,604,337.60/159,379,652.97 = 91,840,811.13/x - Step 3: Cross multiply
115,604,337.60x = 159,379,652.97 × 91,840,811.13 - Step 4: Simplify right side
115,604,337.60x = 14,637,556,606,382,712 - Step 5: Solve for x
x = 14,637,556,606,382,712/115,604,337.60 - Step 6: Final answer
x = 126,617,710.98
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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.