Finding the Fourth Proportional to 284,653,237.11, 427,033,305.90 and 129,217,954.71
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Solution
The fourth proportional to 284,653,237.11, 427,033,305.90 and 129,217,954.71 is: 193,851,195.73
Step by Step Solution
- Step 1: Write the proportion equation
284,653,237.11 : 427,033,305.90 = 129,217,954.71 : x - Step 2: Convert to fraction form
284,653,237.11/427,033,305.90 = 129,217,954.71/x - Step 3: Cross multiply
284,653,237.11x = 427,033,305.90 × 129,217,954.71 - Step 4: Simplify right side
284,653,237.11x = 55,180,370,381,447,768 - Step 5: Solve for x
x = 55,180,370,381,447,768/284,653,237.11 - Step 6: Final answer
x = 193,851,195.73
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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.