Finding the Fourth Proportional to 119,118,834.90, 164,387,979.28 and 66,197,773.09
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Solution
The fourth proportional to 119,118,834.90, 164,387,979.28 and 66,197,773.09 is: 91,355,142.61
Step by Step Solution
- Step 1: Write the proportion equation
119,118,834.90 : 164,387,979.28 = 66,197,773.09 : x - Step 2: Convert to fraction form
119,118,834.90/164,387,979.28 = 66,197,773.09/x - Step 3: Cross multiply
119,118,834.90x = 164,387,979.28 × 66,197,773.09 - Step 4: Simplify right side
119,118,834.90x = 10,882,118,150,091,918 - Step 5: Solve for x
x = 10,882,118,150,091,918/119,118,834.90 - Step 6: Final answer
x = 91,355,142.61
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.