Finding the Fourth Proportional to 122,531,870.81, 183,833,703.90 and 39,531,940.31
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Solution
The fourth proportional to 122,531,870.81, 183,833,703.90 and 39,531,940.31 is: 59,309,491.99
Step by Step Solution
- Step 1: Write the proportion equation
122,531,870.81 : 183,833,703.90 = 39,531,940.31 : x - Step 2: Convert to fraction form
122,531,870.81/183,833,703.90 = 39,531,940.31/x - Step 3: Cross multiply
122,531,870.81x = 183,833,703.90 × 39,531,940.31 - Step 4: Simplify right side
122,531,870.81x = 7,267,303,010,000,599 - Step 5: Solve for x
x = 7,267,303,010,000,599/122,531,870.81 - Step 6: Final answer
x = 59,309,491.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.