Finding the Fourth Proportional to 66,258,656.19, 99,398,759.22 and 19,576,878.75
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Solution
The fourth proportional to 66,258,656.19, 99,398,759.22 and 19,576,878.75 is: 29,368,501.70
Step by Step Solution
- Step 1: Write the proportion equation
66,258,656.19 : 99,398,759.22 = 19,576,878.75 : x - Step 2: Convert to fraction form
66,258,656.19/99,398,759.22 = 19,576,878.75/x - Step 3: Cross multiply
66,258,656.19x = 99,398,759.22 × 19,576,878.75 - Step 4: Simplify right side
66,258,656.19x = 1,945,917,457,150,384.50 - Step 5: Solve for x
x = 1,945,917,457,150,384.50/66,258,656.19 - Step 6: Final answer
x = 29,368,501.70
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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.