Finding the Fourth Proportional to 122,531,730.90, 183,545,653.95 and 84,236,486.10
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Solution
The fourth proportional to 122,531,730.90, 183,545,653.95 and 84,236,486.10 is: 126,181,527.14
Step by Step Solution
- Step 1: Write the proportion equation
122,531,730.90 : 183,545,653.95 = 84,236,486.10 : x - Step 2: Convert to fraction form
122,531,730.90/183,545,653.95 = 84,236,486.10/x - Step 3: Cross multiply
122,531,730.90x = 183,545,653.95 × 84,236,486.10 - Step 4: Simplify right side
122,531,730.90x = 15,461,240,927,674,582 - Step 5: Solve for x
x = 15,461,240,927,674,582/122,531,730.90 - Step 6: Final answer
x = 126,181,527.14
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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.