Finding the Fourth Proportional to 163,219,921.80, 244,829,882.70 and 141,962,281.80
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Solution
The fourth proportional to 163,219,921.80, 244,829,882.70 and 141,962,281.80 is: 212,943,422.70
Step by Step Solution
- Step 1: Write the proportion equation
163,219,921.80 : 244,829,882.70 = 141,962,281.80 : x - Step 2: Convert to fraction form
163,219,921.80/244,829,882.70 = 141,962,281.80/x - Step 3: Cross multiply
163,219,921.80x = 244,829,882.70 × 141,962,281.80 - Step 4: Simplify right side
163,219,921.80x = 34,756,608,800,918,348 - Step 5: Solve for x
x = 34,756,608,800,918,348/163,219,921.80 - Step 6: Final answer
x = 212,943,422.70
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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.