Finding the Fourth Proportional to 126,015,962.99, 189,051,706.74 and 38,578,141.33
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Solution
The fourth proportional to 126,015,962.99, 189,051,706.74 and 38,578,141.33 is: 57,875,711.05
Step by Step Solution
- Step 1: Write the proportion equation
126,015,962.99 : 189,051,706.74 = 38,578,141.33 : x - Step 2: Convert to fraction form
126,015,962.99/189,051,706.74 = 38,578,141.33/x - Step 3: Cross multiply
126,015,962.99x = 189,051,706.74 × 38,578,141.33 - Step 4: Simplify right side
126,015,962.99x = 7,293,263,461,529,748 - Step 5: Solve for x
x = 7,293,263,461,529,748/126,015,962.99 - Step 6: Final answer
x = 57,875,711.05
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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.