Finding the Fourth Proportional to 156,861,646.39, 234,838,097.89 and 118,163,078.08
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Solution
The fourth proportional to 156,861,646.39, 234,838,097.89 and 118,163,078.08 is: 176,902,341.25
Step by Step Solution
- Step 1: Write the proportion equation
156,861,646.39 : 234,838,097.89 = 118,163,078.08 : x - Step 2: Convert to fraction form
156,861,646.39/234,838,097.89 = 118,163,078.08/x - Step 3: Cross multiply
156,861,646.39x = 234,838,097.89 × 118,163,078.08 - Step 4: Simplify right side
156,861,646.39x = 27,749,192,497,738,652 - Step 5: Solve for x
x = 27,749,192,497,738,652/156,861,646.39 - Step 6: Final answer
x = 176,902,341.25
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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.