Finding the Fourth Proportional to 125,288,609.56, 172,896,159.81 and 70,283,285.08
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Solution
The fourth proportional to 125,288,609.56, 172,896,159.81 and 70,283,285.08 is: 96,989,743.37
Step by Step Solution
- Step 1: Write the proportion equation
125,288,609.56 : 172,896,159.81 = 70,283,285.08 : x - Step 2: Convert to fraction form
125,288,609.56/172,896,159.81 = 70,283,285.08/x - Step 3: Cross multiply
125,288,609.56x = 172,896,159.81 × 70,283,285.08 - Step 4: Simplify right side
125,288,609.56x = 12,151,710,089,244,292 - Step 5: Solve for x
x = 12,151,710,089,244,292/125,288,609.56 - Step 6: Final answer
x = 96,989,743.37
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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.