Finding the Fourth Proportional to 83,888,167.28, 115,763,327.69 and 46,718,437.41
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Solution
The fourth proportional to 83,888,167.28, 115,763,327.69 and 46,718,437.41 is: 64,470,138.69
Step by Step Solution
- Step 1: Write the proportion equation
83,888,167.28 : 115,763,327.69 = 46,718,437.41 : x - Step 2: Convert to fraction form
83,888,167.28/115,763,327.69 = 46,718,437.41/x - Step 3: Cross multiply
83,888,167.28x = 115,763,327.69 × 46,718,437.41 - Step 4: Simplify right side
83,888,167.28x = 5,408,281,778,824,992 - Step 5: Solve for x
x = 5,408,281,778,824,992/83,888,167.28 - Step 6: Final answer
x = 64,470,138.69
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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.