Finding the Fourth Proportional to 118,507,155.21, 177,599,331.86 and 66,716,460.81
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Solution
The fourth proportional to 118,507,155.21, 177,599,331.86 and 66,716,460.81 is: 99,983,826.65
Step by Step Solution
- Step 1: Write the proportion equation
118,507,155.21 : 177,599,331.86 = 66,716,460.81 : x - Step 2: Convert to fraction form
118,507,155.21/177,599,331.86 = 66,716,460.81/x - Step 3: Cross multiply
118,507,155.21x = 177,599,331.86 × 66,716,460.81 - Step 4: Simplify right side
118,507,155.21x = 11,848,798,863,586,292 - Step 5: Solve for x
x = 11,848,798,863,586,292/118,507,155.21 - Step 6: Final answer
x = 99,983,826.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.