Finding the Fourth Proportional to 107,772,565.80, 161,658,848.70 and 107,772,565.80
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Solution
The fourth proportional to 107,772,565.80, 161,658,848.70 and 107,772,565.80 is: 161,658,848.70
Step by Step Solution
- Step 1: Write the proportion equation
107,772,565.80 : 161,658,848.70 = 107,772,565.80 : x - Step 2: Convert to fraction form
107,772,565.80/161,658,848.70 = 107,772,565.80/x - Step 3: Cross multiply
107,772,565.80x = 161,658,848.70 × 107,772,565.80 - Step 4: Simplify right side
107,772,565.80x = 17,422,388,908,672,992 - Step 5: Solve for x
x = 17,422,388,908,672,992/107,772,565.80 - Step 6: Final answer
x = 161,658,848.70
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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.