Finding the Fourth Proportional to 97,024,277.20, 145,536,415.80 and 39,557,790.40
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Solution
The fourth proportional to 97,024,277.20, 145,536,415.80 and 39,557,790.40 is: 59,336,685.60
Step by Step Solution
- Step 1: Write the proportion equation
97,024,277.20 : 145,536,415.80 = 39,557,790.40 : x - Step 2: Convert to fraction form
97,024,277.20/145,536,415.80 = 39,557,790.40/x - Step 3: Cross multiply
97,024,277.20x = 145,536,415.80 × 39,557,790.40 - Step 4: Simplify right side
97,024,277.20x = 5,757,099,031,783,649 - Step 5: Solve for x
x = 5,757,099,031,783,649/97,024,277.20 - Step 6: Final answer
x = 59,336,685.60
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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.