Finding the Fourth Proportional to 279,165,875.68, 418,554,897.70 and 123,634,930.96
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Solution
The fourth proportional to 279,165,875.68, 418,554,897.70 and 123,634,930.96 is: 185,366,516.43
Step by Step Solution
- Step 1: Write the proportion equation
279,165,875.68 : 418,554,897.70 = 123,634,930.96 : x - Step 2: Convert to fraction form
279,165,875.68/418,554,897.70 = 123,634,930.96/x - Step 3: Cross multiply
279,165,875.68x = 418,554,897.70 × 123,634,930.96 - Step 4: Simplify right side
279,165,875.68x = 51,748,005,880,109,360 - Step 5: Solve for x
x = 51,748,005,880,109,360/279,165,875.68 - Step 6: Final answer
x = 185,366,516.43
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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.