Finding the Fourth Proportional to 194,294,774.84, 291,443,414.96 and 77,719,869.68
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Solution
The fourth proportional to 194,294,774.84, 291,443,414.96 and 77,719,869.68 is: 116,580,305.61
Step by Step Solution
- Step 1: Write the proportion equation
194,294,774.84 : 291,443,414.96 = 77,719,869.68 : x - Step 2: Convert to fraction form
194,294,774.84/291,443,414.96 = 77,719,869.68/x - Step 3: Cross multiply
194,294,774.84x = 291,443,414.96 × 77,719,869.68 - Step 4: Simplify right side
194,294,774.84x = 22,650,944,229,785,364 - Step 5: Solve for x
x = 22,650,944,229,785,364/194,294,774.84 - Step 6: Final answer
x = 116,580,305.61
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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.