Finding the Fourth Proportional to 119,139,655,416.40, 164,406,782,340.14 and 67,691,419,519.67
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Solution
The fourth proportional to 119,139,655,416.40, 164,406,782,340.14 and 67,691,419,519.67 is: 93,410,782,802.50
Step by Step Solution
- Step 1: Write the proportion equation
119,139,655,416.40 : 164,406,782,340.14 = 67,691,419,519.67 : x - Step 2: Convert to fraction form
119,139,655,416.40/164,406,782,340.14 = 67,691,419,519.67/x - Step 3: Cross multiply
119,139,655,416.40x = 164,406,782,340.14 × 67,691,419,519.67 - Step 4: Simplify right side
119,139,655,416.40x = 11,128,928,475,265,489,698,816 - Step 5: Solve for x
x = 11,128,928,475,265,489,698,816/119,139,655,416.40 - Step 6: Final answer
x = 93,410,782,802.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.