Finding the Fourth Proportional to 42,732,085.64, 58,937,739.66 and 36,781,619.09
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Solution
The fourth proportional to 42,732,085.64, 58,937,739.66 and 36,781,619.09 is: 50,730,626.83
Step by Step Solution
- Step 1: Write the proportion equation
42,732,085.64 : 58,937,739.66 = 36,781,619.09 : x - Step 2: Convert to fraction form
42,732,085.64/58,937,739.66 = 36,781,619.09/x - Step 3: Cross multiply
42,732,085.64x = 58,937,739.66 × 36,781,619.09 - Step 4: Simplify right side
42,732,085.64x = 2,167,825,489,905,017.25 - Step 5: Solve for x
x = 2,167,825,489,905,017.25/42,732,085.64 - Step 6: Final answer
x = 50,730,626.83
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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.