Finding the Fourth Proportional to 129,323,592.84, 178,700,006.66 and 92,089,230.12
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Solution
The fourth proportional to 129,323,592.84, 178,700,006.66 and 92,089,230.12 is: 127,249,372.48
Step by Step Solution
- Step 1: Write the proportion equation
129,323,592.84 : 178,700,006.66 = 92,089,230.12 : x - Step 2: Convert to fraction form
129,323,592.84/178,700,006.66 = 92,089,230.12/x - Step 3: Cross multiply
129,323,592.84x = 178,700,006.66 × 92,089,230.12 - Step 4: Simplify right side
129,323,592.84x = 16,456,346,035,758,274 - Step 5: Solve for x
x = 16,456,346,035,758,274/129,323,592.84 - Step 6: Final answer
x = 127,249,372.48
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.