Finding the Fourth Proportional to 73,593,931,991.20, 110,390,897,986.80 and 31,690,872,023.20
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Solution
The fourth proportional to 73,593,931,991.20, 110,390,897,986.80 and 31,690,872,023.20 is: 47,536,308,034.80
Step by Step Solution
- Step 1: Write the proportion equation
73,593,931,991.20 : 110,390,897,986.80 = 31,690,872,023.20 : x - Step 2: Convert to fraction form
73,593,931,991.20/110,390,897,986.80 = 31,690,872,023.20/x - Step 3: Cross multiply
73,593,931,991.20x = 110,390,897,986.80 × 31,690,872,023.20 - Step 4: Simplify right side
73,593,931,991.20x = 3,498,383,820,625,805,312,000 - Step 5: Solve for x
x = 3,498,383,820,625,805,312,000/73,593,931,991.20 - Step 6: Final answer
x = 47,536,308,034.80
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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.