Finding the Fourth Proportional to 57,937,644.71, 79,952,663.85 and 31,475,314.68
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Solution
The fourth proportional to 57,937,644.71, 79,952,663.85 and 31,475,314.68 is: 43,435,235.71
Step by Step Solution
- Step 1: Write the proportion equation
57,937,644.71 : 79,952,663.85 = 31,475,314.68 : x - Step 2: Convert to fraction form
57,937,644.71/79,952,663.85 = 31,475,314.68/x - Step 3: Cross multiply
57,937,644.71x = 79,952,663.85 × 31,475,314.68 - Step 4: Simplify right side
57,937,644.71x = 2,516,535,254,183,010 - Step 5: Solve for x
x = 2,516,535,254,183,010/57,937,644.71 - Step 6: Final answer
x = 43,435,235.71
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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.