Finding the Fourth Proportional to 178,048,365.09, 245,708,186.49 and 98,664,752.57
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Solution
The fourth proportional to 178,048,365.09, 245,708,186.49 and 98,664,752.57 is: 136,158,157.99
Step by Step Solution
- Step 1: Write the proportion equation
178,048,365.09 : 245,708,186.49 = 98,664,752.57 : x - Step 2: Convert to fraction form
178,048,365.09/245,708,186.49 = 98,664,752.57/x - Step 3: Cross multiply
178,048,365.09x = 245,708,186.49 × 98,664,752.57 - Step 4: Simplify right side
178,048,365.09x = 24,242,737,424,459,264 - Step 5: Solve for x
x = 24,242,737,424,459,264/178,048,365.09 - Step 6: Final answer
x = 136,158,157.99
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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.