Finding the Fourth Proportional to 103,916,276.16, 143,404,740 and 57,509,730.24
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Solution
The fourth proportional to 103,916,276.16, 143,404,740 and 57,509,730.24 is: 79,363,582.08
Step by Step Solution
- Step 1: Write the proportion equation
103,916,276.16 : 143,404,740 = 57,509,730.24 : x - Step 2: Convert to fraction form
103,916,276.16/143,404,740 = 57,509,730.24/x - Step 3: Cross multiply
103,916,276.16x = 143,404,740 × 57,509,730.24 - Step 4: Simplify right side
103,916,276.16x = 8,247,167,912,537,338 - Step 5: Solve for x
x = 8,247,167,912,537,338/103,916,276.16 - Step 6: Final answer
x = 79,363,582.08
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1.5x scale
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.