Finding the Fourth Proportional to 131,163,588.96, 181,021,711.68 and 76,159,445.28
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Solution
The fourth proportional to 131,163,588.96, 181,021,711.68 and 76,159,445.28 is: 105,109,300.95
Step by Step Solution
- Step 1: Write the proportion equation
131,163,588.96 : 181,021,711.68 = 76,159,445.28 : x - Step 2: Convert to fraction form
131,163,588.96/181,021,711.68 = 76,159,445.28/x - Step 3: Cross multiply
131,163,588.96x = 181,021,711.68 × 76,159,445.28 - Step 4: Simplify right side
131,163,588.96x = 13,786,513,145,184,898 - Step 5: Solve for x
x = 13,786,513,145,184,898/131,163,588.96 - Step 6: Final answer
x = 105,109,300.95
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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.