Finding the Fourth Proportional to 131,125,156.42, 196,590,769.70 and 79,298,237.07
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Solution
The fourth proportional to 131,125,156.42, 196,590,769.70 and 79,298,237.07 is: 118,888,715.84
Step by Step Solution
- Step 1: Write the proportion equation
131,125,156.42 : 196,590,769.70 = 79,298,237.07 : x - Step 2: Convert to fraction form
131,125,156.42/196,590,769.70 = 79,298,237.07/x - Step 3: Cross multiply
131,125,156.42x = 196,590,769.70 × 79,298,237.07 - Step 4: Simplify right side
131,125,156.42x = 15,589,301,460,754,648 - Step 5: Solve for x
x = 15,589,301,460,754,648/131,125,156.42 - Step 6: Final answer
x = 118,888,715.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.