Finding the Fourth Proportional to 130,317,201.44, 179,869,058.97 and 74,594,923.28
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Solution
The fourth proportional to 130,317,201.44, 179,869,058.97 and 74,594,923.28 is: 102,958,922.58
Step by Step Solution
- Step 1: Write the proportion equation
130,317,201.44 : 179,869,058.97 = 74,594,923.28 : x - Step 2: Convert to fraction form
130,317,201.44/179,869,058.97 = 74,594,923.28/x - Step 3: Cross multiply
130,317,201.44x = 179,869,058.97 × 74,594,923.28 - Step 4: Simplify right side
130,317,201.44x = 13,417,318,654,312,946 - Step 5: Solve for x
x = 13,417,318,654,312,946/130,317,201.44 - Step 6: Final answer
x = 102,958,922.58
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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.