Finding the Fourth Proportional to 107,185,812.40, 160,778,718.60 and 97,301,009.80
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Solution
The fourth proportional to 107,185,812.40, 160,778,718.60 and 97,301,009.80 is: 145,951,514.70
Step by Step Solution
- Step 1: Write the proportion equation
107,185,812.40 : 160,778,718.60 = 97,301,009.80 : x - Step 2: Convert to fraction form
107,185,812.40/160,778,718.60 = 97,301,009.80/x - Step 3: Cross multiply
107,185,812.40x = 160,778,718.60 × 97,301,009.80 - Step 4: Simplify right side
107,185,812.40x = 15,643,931,674,130,042 - Step 5: Solve for x
x = 15,643,931,674,130,042/107,185,812.40 - Step 6: Final answer
x = 145,951,514.70
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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.