Finding the Fourth Proportional to 87,072,102,808.48, 120,151,837,885.34 and 48,488,107,119.08
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Solution
The fourth proportional to 87,072,102,808.48, 120,151,837,885.34 and 48,488,107,119.08 is: 66,909,319,954.67
Step by Step Solution
- Step 1: Write the proportion equation
87,072,102,808.48 : 120,151,837,885.34 = 48,488,107,119.08 : x - Step 2: Convert to fraction form
87,072,102,808.48/120,151,837,885.34 = 48,488,107,119.08/x - Step 3: Cross multiply
87,072,102,808.48x = 120,151,837,885.34 × 48,488,107,119.08 - Step 4: Simplify right side
87,072,102,808.48x = 5,825,935,185,938,700,304,384 - Step 5: Solve for x
x = 5,825,935,185,938,700,304,384/87,072,102,808.48 - Step 6: Final answer
x = 66,909,319,954.67
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.