Finding the Fourth Proportional to 159,444,835.02, 239,080,705.56 and 71,903,925.72
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Solution
The fourth proportional to 159,444,835.02, 239,080,705.56 and 71,903,925.72 is: 107,816,858.99
Step by Step Solution
- Step 1: Write the proportion equation
159,444,835.02 : 239,080,705.56 = 71,903,925.72 : x - Step 2: Convert to fraction form
159,444,835.02/239,080,705.56 = 71,903,925.72/x - Step 3: Cross multiply
159,444,835.02x = 239,080,705.56 × 71,903,925.72 - Step 4: Simplify right side
159,444,835.02x = 17,190,841,293,671,430 - Step 5: Solve for x
x = 17,190,841,293,671,430/159,444,835.02 - Step 6: Final answer
x = 107,816,858.99
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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.