Finding the Fourth Proportional to 84,772,526.74, 126,988,533.47 and 38,650,952.09
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Solution
The fourth proportional to 84,772,526.74, 126,988,533.47 and 38,650,952.09 is: 57,898,801.79
Step by Step Solution
- Step 1: Write the proportion equation
84,772,526.74 : 126,988,533.47 = 38,650,952.09 : x - Step 2: Convert to fraction form
84,772,526.74/126,988,533.47 = 38,650,952.09/x - Step 3: Cross multiply
84,772,526.74x = 126,988,533.47 × 38,650,952.09 - Step 4: Simplify right side
84,772,526.74x = 4,908,227,722,590,016 - Step 5: Solve for x
x = 4,908,227,722,590,016/84,772,526.74 - Step 6: Final answer
x = 57,898,801.79
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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.