Finding the Fourth Proportional to 90,242,165.76, 124,535,703.60 and 48,989,058
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Solution
The fourth proportional to 90,242,165.76, 124,535,703.60 and 48,989,058 is: 67,605,722.40
Step by Step Solution
- Step 1: Write the proportion equation
90,242,165.76 : 124,535,703.60 = 48,989,058 : x - Step 2: Convert to fraction form
90,242,165.76/124,535,703.60 = 48,989,058/x - Step 3: Cross multiply
90,242,165.76x = 124,535,703.60 × 48,989,058 - Step 4: Simplify right side
90,242,165.76x = 6,100,886,806,731,209 - Step 5: Solve for x
x = 6,100,886,806,731,209/90,242,165.76 - Step 6: Final answer
x = 67,605,722.40
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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.