Finding the Fourth Proportional to 134,113,998.60, 201,011,565.60 and 120,402,820.80
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Solution
The fourth proportional to 134,113,998.60, 201,011,565.60 and 120,402,820.80 is: 180,461,098.50
Step by Step Solution
- Step 1: Write the proportion equation
134,113,998.60 : 201,011,565.60 = 120,402,820.80 : x - Step 2: Convert to fraction form
134,113,998.60/201,011,565.60 = 120,402,820.80/x - Step 3: Cross multiply
134,113,998.60x = 201,011,565.60 × 120,402,820.80 - Step 4: Simplify right side
134,113,998.60x = 24,202,359,511,664,244 - Step 5: Solve for x
x = 24,202,359,511,664,244/134,113,998.60 - Step 6: Final answer
x = 180,461,098.50
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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.