Finding the Fourth Proportional to 272,236,849,211.07, 375,719,795,448.99 and 154,943,011,485.06
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Solution
The fourth proportional to 272,236,849,211.07, 375,719,795,448.99 and 154,943,011,485.06 is: 213,840,105,592.33
Step by Step Solution
- Step 1: Write the proportion equation
272,236,849,211.07 : 375,719,795,448.99 = 154,943,011,485.06 : x - Step 2: Convert to fraction form
272,236,849,211.07/375,719,795,448.99 = 154,943,011,485.06/x - Step 3: Cross multiply
272,236,849,211.07x = 375,719,795,448.99 × 154,943,011,485.06 - Step 4: Simplify right side
272,236,849,211.07x = 58,215,156,581,417,252,552,704 - Step 5: Solve for x
x = 58,215,156,581,417,252,552,704/272,236,849,211.07 - Step 6: Final answer
x = 213,840,105,592.33
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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.