Finding the Fourth Proportional to 54,980,177.80, 82,470,266.70 and 53,720,465.80
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Solution
The fourth proportional to 54,980,177.80, 82,470,266.70 and 53,720,465.80 is: 80,580,698.70
Step by Step Solution
- Step 1: Write the proportion equation
54,980,177.80 : 82,470,266.70 = 53,720,465.80 : x - Step 2: Convert to fraction form
54,980,177.80/82,470,266.70 = 53,720,465.80/x - Step 3: Cross multiply
54,980,177.80x = 82,470,266.70 × 53,720,465.80 - Step 4: Simplify right side
54,980,177.80x = 4,430,341,141,774,229 - Step 5: Solve for x
x = 4,430,341,141,774,229/54,980,177.80 - Step 6: Final answer
x = 80,580,698.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.