Finding the Fourth Proportional to 193,513,838.20, 289,872,626.10 and 97,829,639.80
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Solution
The fourth proportional to 193,513,838.20, 289,872,626.10 and 97,829,639.80 is: 146,543,187.11
Step by Step Solution
- Step 1: Write the proportion equation
193,513,838.20 : 289,872,626.10 = 97,829,639.80 : x - Step 2: Convert to fraction form
193,513,838.20/289,872,626.10 = 97,829,639.80/x - Step 3: Cross multiply
193,513,838.20x = 289,872,626.10 × 97,829,639.80 - Step 4: Simplify right side
193,513,838.20x = 28,358,134,599,243,080 - Step 5: Solve for x
x = 28,358,134,599,243,080/193,513,838.20 - Step 6: Final answer
x = 146,543,187.11
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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.