Finding the Fourth Proportional to 229,767,363.87, 317,035,596.55 and 136,956,507.63
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Solution
The fourth proportional to 229,767,363.87, 317,035,596.55 and 136,956,507.63 is: 188,974,131.78
Step by Step Solution
- Step 1: Write the proportion equation
229,767,363.87 : 317,035,596.55 = 136,956,507.63 : x - Step 2: Convert to fraction form
229,767,363.87/317,035,596.55 = 136,956,507.63/x - Step 3: Cross multiply
229,767,363.87x = 317,035,596.55 × 136,956,507.63 - Step 4: Simplify right side
229,767,363.87x = 43,420,088,097,881,680 - Step 5: Solve for x
x = 43,420,088,097,881,680/229,767,363.87 - Step 6: Final answer
x = 188,974,131.78
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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.