Finding the Fourth Proportional to 189,564,862.66, 284,479,292.75 and 66,753,072.23
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Solution
The fourth proportional to 189,564,862.66, 284,479,292.75 and 66,753,072.23 is: 100,176,090.18
Step by Step Solution
- Step 1: Write the proportion equation
189,564,862.66 : 284,479,292.75 = 66,753,072.23 : x - Step 2: Convert to fraction form
189,564,862.66/284,479,292.75 = 66,753,072.23/x - Step 3: Cross multiply
189,564,862.66x = 284,479,292.75 × 66,753,072.23 - Step 4: Simplify right side
189,564,862.66x = 18,989,866,776,017,412 - Step 5: Solve for x
x = 18,989,866,776,017,412/189,564,862.66 - Step 6: Final answer
x = 100,176,090.18
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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.