Finding the Fourth Proportional to 172,038,085.99, 237,412,992.60 and 93,722,210.12
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Solution
The fourth proportional to 172,038,085.99, 237,412,992.60 and 93,722,210.12 is: 129,336,886.37
Step by Step Solution
- Step 1: Write the proportion equation
172,038,085.99 : 237,412,992.60 = 93,722,210.12 : x - Step 2: Convert to fraction form
172,038,085.99/237,412,992.60 = 93,722,210.12/x - Step 3: Cross multiply
172,038,085.99x = 237,412,992.60 × 93,722,210.12 - Step 4: Simplify right side
172,038,085.99x = 22,250,870,378,268,736 - Step 5: Solve for x
x = 22,250,870,378,268,736/172,038,085.99 - Step 6: Final answer
x = 129,336,886.37
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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.