Finding the Fourth Proportional to 281,291,767.99, 421,953,595.21 and 87,230,772.43
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Solution
The fourth proportional to 281,291,767.99, 421,953,595.21 and 87,230,772.43 is: 130,851,102.76
Step by Step Solution
- Step 1: Write the proportion equation
281,291,767.99 : 421,953,595.21 = 87,230,772.43 : x - Step 2: Convert to fraction form
281,291,767.99/421,953,595.21 = 87,230,772.43/x - Step 3: Cross multiply
281,291,767.99x = 421,953,595.21 × 87,230,772.43 - Step 4: Simplify right side
281,291,767.99x = 36,807,338,038,838,000 - Step 5: Solve for x
x = 36,807,338,038,838,000/281,291,767.99 - Step 6: Final answer
x = 130,851,102.76
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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.