Finding the Fourth Proportional to 289,776,302.94, 434,609,000.10 and 112,513,450.26
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Solution
The fourth proportional to 289,776,302.94, 434,609,000.10 and 112,513,450.26 is: 168,748,643.76
Step by Step Solution
- Step 1: Write the proportion equation
289,776,302.94 : 434,609,000.10 = 112,513,450.26 : x - Step 2: Convert to fraction form
289,776,302.94/434,609,000.10 = 112,513,450.26/x - Step 3: Cross multiply
289,776,302.94x = 434,609,000.10 × 112,513,450.26 - Step 4: Simplify right side
289,776,302.94x = 48,899,358,115,299,688 - Step 5: Solve for x
x = 48,899,358,115,299,688/289,776,302.94 - Step 6: Final answer
x = 168,748,643.76
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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.