Finding the Fourth Proportional to 57,183,454.26, 78,913,776.42 and 31,077,973.98
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Solution
The fourth proportional to 57,183,454.26, 78,913,776.42 and 31,077,973.98 is: 42,887,935.36
Step by Step Solution
- Step 1: Write the proportion equation
57,183,454.26 : 78,913,776.42 = 31,077,973.98 : x - Step 2: Convert to fraction form
57,183,454.26/78,913,776.42 = 31,077,973.98/x - Step 3: Cross multiply
57,183,454.26x = 78,913,776.42 × 31,077,973.98 - Step 4: Simplify right side
57,183,454.26x = 2,452,480,290,244,297.50 - Step 5: Solve for x
x = 2,452,480,290,244,297.50/57,183,454.26 - Step 6: Final answer
x = 42,887,935.36
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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.