Finding the Fourth Proportional to 138,575,669,971.93, 207,950,943,609.92 and 58,987,089,726.77
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Solution
The fourth proportional to 138,575,669,971.93, 207,950,943,609.92 and 58,987,089,726.77 is: 88,517,854,338.86
Step by Step Solution
- Step 1: Write the proportion equation
138,575,669,971.93 : 207,950,943,609.92 = 58,987,089,726.77 : x - Step 2: Convert to fraction form
138,575,669,971.93/207,950,943,609.92 = 58,987,089,726.77/x - Step 3: Cross multiply
138,575,669,971.93x = 207,950,943,609.92 × 58,987,089,726.77 - Step 4: Simplify right side
138,575,669,971.93x = 12,266,420,969,484,838,764,544 - Step 5: Solve for x
x = 12,266,420,969,484,838,764,544/138,575,669,971.93 - Step 6: Final answer
x = 88,517,854,338.86
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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.