Finding the Fourth Proportional to 157,464,792.10, 236,197,188.15 and 154,913,875.30
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Solution
The fourth proportional to 157,464,792.10, 236,197,188.15 and 154,913,875.30 is: 232,370,812.95
Step by Step Solution
- Step 1: Write the proportion equation
157,464,792.10 : 236,197,188.15 = 154,913,875.30 : x - Step 2: Convert to fraction form
157,464,792.10/236,197,188.15 = 154,913,875.30/x - Step 3: Cross multiply
157,464,792.10x = 236,197,188.15 × 154,913,875.30 - Step 4: Simplify right side
157,464,792.10x = 36,590,221,751,279,744 - Step 5: Solve for x
x = 36,590,221,751,279,744/157,464,792.10 - Step 6: Final answer
x = 232,370,812.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.