Finding the Fourth Proportional to 135,432,830.70, 186,908,832.73 and 76,705,943.00
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Solution
The fourth proportional to 135,432,830.70, 186,908,832.73 and 76,705,943.00 is: 105,860,729.59
Step by Step Solution
- Step 1: Write the proportion equation
135,432,830.70 : 186,908,832.73 = 76,705,943.00 : x - Step 2: Convert to fraction form
135,432,830.70/186,908,832.73 = 76,705,943.00/x - Step 3: Cross multiply
135,432,830.70x = 186,908,832.73 × 76,705,943.00 - Step 4: Simplify right side
135,432,830.70x = 14,337,018,268,457,606 - Step 5: Solve for x
x = 14,337,018,268,457,606/135,432,830.70 - Step 6: Final answer
x = 105,860,729.59
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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.