Finding the Fourth Proportional to 113,467,392,079.80, 170,201,088,119.70 and 42,721,966,159.80
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Solution
The fourth proportional to 113,467,392,079.80, 170,201,088,119.70 and 42,721,966,159.80 is: 64,082,949,239.70
Step by Step Solution
- Step 1: Write the proportion equation
113,467,392,079.80 : 170,201,088,119.70 = 42,721,966,159.80 : x - Step 2: Convert to fraction form
113,467,392,079.80/170,201,088,119.70 = 42,721,966,159.80/x - Step 3: Cross multiply
113,467,392,079.80x = 170,201,088,119.70 × 42,721,966,159.80 - Step 4: Simplify right side
113,467,392,079.80x = 7,271,325,127,010,961,850,368 - Step 5: Solve for x
x = 7,271,325,127,010,961,850,368/113,467,392,079.80 - Step 6: Final answer
x = 64,082,949,239.70
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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.