Finding the Fourth Proportional to 288,632,646.18, 432,902,882.43 and 84,112,882.02
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Solution
The fourth proportional to 288,632,646.18, 432,902,882.43 and 84,112,882.02 is: 126,155,892.47
Step by Step Solution
- Step 1: Write the proportion equation
288,632,646.18 : 432,902,882.43 = 84,112,882.02 : x - Step 2: Convert to fraction form
288,632,646.18/432,902,882.43 = 84,112,882.02/x - Step 3: Cross multiply
288,632,646.18x = 432,902,882.43 × 84,112,882.02 - Step 4: Simplify right side
288,632,646.18x = 36,412,709,075,952,520 - Step 5: Solve for x
x = 36,412,709,075,952,520/288,632,646.18 - Step 6: Final answer
x = 126,155,892.47
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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.