Finding the Fourth Proportional to 157,056,191.80, 235,584,287.70 and 89,031,743.80
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Solution
The fourth proportional to 157,056,191.80, 235,584,287.70 and 89,031,743.80 is: 133,547,615.70
Step by Step Solution
- Step 1: Write the proportion equation
157,056,191.80 : 235,584,287.70 = 89,031,743.80 : x - Step 2: Convert to fraction form
157,056,191.80/235,584,287.70 = 89,031,743.80/x - Step 3: Cross multiply
157,056,191.80x = 235,584,287.70 × 89,031,743.80 - Step 4: Simplify right side
157,056,191.80x = 20,974,479,945,811,888 - Step 5: Solve for x
x = 20,974,479,945,811,888/157,056,191.80 - Step 6: Final answer
x = 133,547,615.70
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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.