Finding the Fourth Proportional to 90,058,177.06, 124,280,390.64 and 48,805,069.44
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Solution
The fourth proportional to 90,058,177.06, 124,280,390.64 and 48,805,069.44 is: 67,351,053.43
Step by Step Solution
- Step 1: Write the proportion equation
90,058,177.06 : 124,280,390.64 = 48,805,069.44 : x - Step 2: Convert to fraction form
90,058,177.06/124,280,390.64 = 48,805,069.44/x - Step 3: Cross multiply
90,058,177.06x = 124,280,390.64 × 48,805,069.44 - Step 4: Simplify right side
90,058,177.06x = 6,065,513,095,165,519 - Step 5: Solve for x
x = 6,065,513,095,165,519/90,058,177.06 - Step 6: Final answer
x = 67,351,053.43
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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.