Finding the Fourth Proportional to 93,808,819.12, 129,492,324.12 and 91,220,110.96
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Solution
The fourth proportional to 93,808,819.12, 129,492,324.12 and 91,220,110.96 is: 125,918,909.18
Step by Step Solution
- Step 1: Write the proportion equation
93,808,819.12 : 129,492,324.12 = 91,220,110.96 : x - Step 2: Convert to fraction form
93,808,819.12/129,492,324.12 = 91,220,110.96/x - Step 3: Cross multiply
93,808,819.12x = 129,492,324.12 × 91,220,110.96 - Step 4: Simplify right side
93,808,819.12x = 11,812,304,174,694,684 - Step 5: Solve for x
x = 11,812,304,174,694,684/93,808,819.12 - Step 6: Final answer
x = 125,918,909.18
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.