Finding the Fourth Proportional to 134,444,655.80, 201,666,983.70 and 66,420,207.80
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Solution
The fourth proportional to 134,444,655.80, 201,666,983.70 and 66,420,207.80 is: 99,630,311.70
Step by Step Solution
- Step 1: Write the proportion equation
134,444,655.80 : 201,666,983.70 = 66,420,207.80 : x - Step 2: Convert to fraction form
134,444,655.80/201,666,983.70 = 66,420,207.80/x - Step 3: Cross multiply
134,444,655.80x = 201,666,983.70 × 66,420,207.80 - Step 4: Simplify right side
134,444,655.80x = 13,394,762,963,753,212 - Step 5: Solve for x
x = 13,394,762,963,753,212/134,444,655.80 - Step 6: Final answer
x = 99,630,311.70
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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.