Finding the Fourth Proportional to 207,153,431.17, 310,867,386.00 and 113,845,564.70
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Solution
The fourth proportional to 207,153,431.17, 310,867,386.00 and 113,845,564.70 is: 170,843,769.79
Step by Step Solution
- Step 1: Write the proportion equation
207,153,431.17 : 310,867,386.00 = 113,845,564.70 : x - Step 2: Convert to fraction form
207,153,431.17/310,867,386.00 = 113,845,564.70/x - Step 3: Cross multiply
207,153,431.17x = 310,867,386.00 × 113,845,564.70 - Step 4: Simplify right side
207,153,431.17x = 35,390,873,105,167,368 - Step 5: Solve for x
x = 35,390,873,105,167,368/207,153,431.17 - Step 6: Final answer
x = 170,843,769.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.