Finding the Fourth Proportional to 39,157,708.86, 58,449,130.99 and 36,271,984.23
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Solution
The fourth proportional to 39,157,708.86, 58,449,130.99 and 36,271,984.23 is: 54,141,726.35
Step by Step Solution
- Step 1: Write the proportion equation
39,157,708.86 : 58,449,130.99 = 36,271,984.23 : x - Step 2: Convert to fraction form
39,157,708.86/58,449,130.99 = 36,271,984.23/x - Step 3: Cross multiply
39,157,708.86x = 58,449,130.99 × 36,271,984.23 - Step 4: Simplify right side
39,157,708.86x = 2,120,065,957,435,804 - Step 5: Solve for x
x = 2,120,065,957,435,804/39,157,708.86 - Step 6: Final answer
x = 54,141,726.35
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.