Finding the Fourth Proportional to 79,488,001.70, 119,232,002.55 and 39,177,217.70
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Solution
The fourth proportional to 79,488,001.70, 119,232,002.55 and 39,177,217.70 is: 58,765,826.55
Step by Step Solution
- Step 1: Write the proportion equation
79,488,001.70 : 119,232,002.55 = 39,177,217.70 : x - Step 2: Convert to fraction form
79,488,001.70/119,232,002.55 = 39,177,217.70/x - Step 3: Cross multiply
79,488,001.70x = 119,232,002.55 × 39,177,217.70 - Step 4: Simplify right side
79,488,001.70x = 4,671,178,120,708,305 - Step 5: Solve for x
x = 4,671,178,120,708,305/79,488,001.70 - Step 6: Final answer
x = 58,765,826.55
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Similar ratio
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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.