Finding the Fourth Proportional to 162,355,895.08, 243,507,918.57 and 47,313,527.74
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Solution
The fourth proportional to 162,355,895.08, 243,507,918.57 and 47,313,527.74 is: 70,962,736.86
Step by Step Solution
- Step 1: Write the proportion equation
162,355,895.08 : 243,507,918.57 = 47,313,527.74 : x - Step 2: Convert to fraction form
162,355,895.08/243,507,918.57 = 47,313,527.74/x - Step 3: Cross multiply
162,355,895.08x = 243,507,918.57 × 47,313,527.74 - Step 4: Simplify right side
162,355,895.08x = 11,521,218,660,171,356 - Step 5: Solve for x
x = 11,521,218,660,171,356/162,355,895.08 - Step 6: Final answer
x = 70,962,736.86
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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.