Finding the Fourth Proportional to 128,497,264.50, 177,328,285.62 and 69,759,883.10
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Solution
The fourth proportional to 128,497,264.50, 177,328,285.62 and 69,759,883.10 is: 96,269,757.36
Step by Step Solution
- Step 1: Write the proportion equation
128,497,264.50 : 177,328,285.62 = 69,759,883.10 : x - Step 2: Convert to fraction form
128,497,264.50/177,328,285.62 = 69,759,883.10/x - Step 3: Cross multiply
128,497,264.50x = 177,328,285.62 × 69,759,883.10 - Step 4: Simplify right side
128,497,264.50x = 12,370,400,475,174,610 - Step 5: Solve for x
x = 12,370,400,475,174,610/128,497,264.50 - Step 6: Final answer
x = 96,269,757.36
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.