Finding the Fourth Proportional to 152,031,143.80, 228,046,715.70 and 132,899,267.80
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Solution
The fourth proportional to 152,031,143.80, 228,046,715.70 and 132,899,267.80 is: 199,348,901.70
Step by Step Solution
- Step 1: Write the proportion equation
152,031,143.80 : 228,046,715.70 = 132,899,267.80 : x - Step 2: Convert to fraction form
152,031,143.80/228,046,715.70 = 132,899,267.80/x - Step 3: Cross multiply
152,031,143.80x = 228,046,715.70 × 132,899,267.80 - Step 4: Simplify right side
152,031,143.80x = 30,307,241,540,724,764 - Step 5: Solve for x
x = 30,307,241,540,724,764/152,031,143.80 - Step 6: Final answer
x = 199,348,901.70
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1.5x scale
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.