Finding the Fourth Proportional to 55,656,558.18, 76,774,139.74 and 34,712,229.05
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Solution
The fourth proportional to 55,656,558.18, 76,774,139.74 and 34,712,229.05 is: 47,882,973.92
Step by Step Solution
- Step 1: Write the proportion equation
55,656,558.18 : 76,774,139.74 = 34,712,229.05 : x - Step 2: Convert to fraction form
55,656,558.18/76,774,139.74 = 34,712,229.05/x - Step 3: Cross multiply
55,656,558.18x = 76,774,139.74 × 34,712,229.05 - Step 4: Simplify right side
55,656,558.18x = 2,665,001,523,631,879 - Step 5: Solve for x
x = 2,665,001,523,631,879/55,656,558.18 - Step 6: Final answer
x = 47,882,973.92
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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.