Finding the Fourth Proportional to 135,174,011.98, 186,543,804.48 and 76,445,459.32
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Solution
The fourth proportional to 135,174,011.98, 186,543,804.48 and 76,445,459.32 is: 105,496,808.21
Step by Step Solution
- Step 1: Write the proportion equation
135,174,011.98 : 186,543,804.48 = 76,445,459.32 : x - Step 2: Convert to fraction form
135,174,011.98/186,543,804.48 = 76,445,459.32/x - Step 3: Cross multiply
135,174,011.98x = 186,543,804.48 × 76,445,459.32 - Step 4: Simplify right side
135,174,011.98x = 14,260,426,816,773,872 - Step 5: Solve for x
x = 14,260,426,816,773,872/135,174,011.98 - Step 6: Final answer
x = 105,496,808.21
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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.