Finding the Fourth Proportional to 84,001,671.60, 115,947,927.84 and 48,728,390.52
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Solution
The fourth proportional to 84,001,671.60, 115,947,927.84 and 48,728,390.52 is: 67,260,041.38
Step by Step Solution
- Step 1: Write the proportion equation
84,001,671.60 : 115,947,927.84 = 48,728,390.52 : x - Step 2: Convert to fraction form
84,001,671.60/115,947,927.84 = 48,728,390.52/x - Step 3: Cross multiply
84,001,671.60x = 115,947,927.84 × 48,728,390.52 - Step 4: Simplify right side
84,001,671.60x = 5,649,955,907,772,301 - Step 5: Solve for x
x = 5,649,955,907,772,301/84,001,671.60 - Step 6: Final answer
x = 67,260,041.38
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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.