Finding the Fourth Proportional to 84,489,358.63, 116,575,329.12 and 47,819,929.63
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Solution
The fourth proportional to 84,489,358.63, 116,575,329.12 and 47,819,929.63 is: 65,980,191.18
Step by Step Solution
- Step 1: Write the proportion equation
84,489,358.63 : 116,575,329.12 = 47,819,929.63 : x - Step 2: Convert to fraction form
84,489,358.63/116,575,329.12 = 47,819,929.63/x - Step 3: Cross multiply
84,489,358.63x = 116,575,329.12 × 47,819,929.63 - Step 4: Simplify right side
84,489,358.63x = 5,574,624,035,112,490 - Step 5: Solve for x
x = 5,574,624,035,112,490/84,489,358.63 - Step 6: Final answer
x = 65,980,191.18
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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.