Finding the Fourth Proportional to 159,662,405.05, 239,423,623.58 and 73,372,133.05
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Solution
The fourth proportional to 159,662,405.05, 239,423,623.58 and 73,372,133.05 is: 110,026,038.75
Step by Step Solution
- Step 1: Write the proportion equation
159,662,405.05 : 239,423,623.58 = 73,372,133.05 : x - Step 2: Convert to fraction form
159,662,405.05/239,423,623.58 = 73,372,133.05/x - Step 3: Cross multiply
159,662,405.05x = 239,423,623.58 × 73,372,133.05 - Step 4: Simplify right side
159,662,405.05x = 17,567,021,964,258,016 - Step 5: Solve for x
x = 17,567,021,964,258,016/159,662,405.05 - Step 6: Final answer
x = 110,026,038.75
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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.