Finding the Fourth Proportional to 159,627,998.70, 239,477,427.45 and 73,345,599.90
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Solution
The fourth proportional to 159,627,998.70, 239,477,427.45 and 73,345,599.90 is: 110,034,678.89
Step by Step Solution
- Step 1: Write the proportion equation
159,627,998.70 : 239,477,427.45 = 73,345,599.90 : x - Step 2: Convert to fraction form
159,627,998.70/239,477,427.45 = 73,345,599.90/x - Step 3: Cross multiply
159,627,998.70x = 239,477,427.45 × 73,345,599.90 - Step 4: Simplify right side
159,627,998.70x = 17,564,615,578,828,978 - Step 5: Solve for x
x = 17,564,615,578,828,978/159,627,998.70 - Step 6: Final answer
x = 110,034,678.89
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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.