Finding the Fourth Proportional to 118,882,741.97, 178,234,177.44 and 77,952,485.36
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Solution
The fourth proportional to 118,882,741.97, 178,234,177.44 and 77,952,485.36 is: 116,869,756.52
Step by Step Solution
- Step 1: Write the proportion equation
118,882,741.97 : 178,234,177.44 = 77,952,485.36 : x - Step 2: Convert to fraction form
118,882,741.97/178,234,177.44 = 77,952,485.36/x - Step 3: Cross multiply
118,882,741.97x = 178,234,177.44 × 77,952,485.36 - Step 4: Simplify right side
118,882,741.97x = 13,893,797,108,281,148 - Step 5: Solve for x
x = 13,893,797,108,281,148/118,882,741.97 - Step 6: Final answer
x = 116,869,756.52
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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.