Finding the Fourth Proportional to 292,991,624.80, 439,557,421.20 and 88,521,704.80
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Solution
The fourth proportional to 292,991,624.80, 439,557,421.20 and 88,521,704.80 is: 132,803,701.50
Step by Step Solution
- Step 1: Write the proportion equation
292,991,624.80 : 439,557,421.20 = 88,521,704.80 : x - Step 2: Convert to fraction form
292,991,624.80/439,557,421.20 = 88,521,704.80/x - Step 3: Cross multiply
292,991,624.80x = 439,557,421.20 × 88,521,704.80 - Step 4: Simplify right side
292,991,624.80x = 38,910,372,282,115,656 - Step 5: Solve for x
x = 38,910,372,282,115,656/292,991,624.80 - Step 6: Final answer
x = 132,803,701.50
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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.