Finding the Fourth Proportional to 118,983,574.36, 178,417,916.52 and 49,877,816.14
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Solution
The fourth proportional to 118,983,574.36, 178,417,916.52 and 49,877,816.14 is: 74,792,643.31
Step by Step Solution
- Step 1: Write the proportion equation
118,983,574.36 : 178,417,916.52 = 49,877,816.14 : x - Step 2: Convert to fraction form
118,983,574.36/178,417,916.52 = 49,877,816.14/x - Step 3: Cross multiply
118,983,574.36x = 178,417,916.52 × 49,877,816.14 - Step 4: Simplify right side
118,983,574.36x = 8,899,096,036,266,429 - Step 5: Solve for x
x = 8,899,096,036,266,429/118,983,574.36 - Step 6: Final answer
x = 74,792,643.31
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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.