Finding the Fourth Proportional to 83,706,983.16, 125,565,361.28 and 25,416,562.70
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Solution
The fourth proportional to 83,706,983.16, 125,565,361.28 and 25,416,562.70 is: 38,126,327.79
Step by Step Solution
- Step 1: Write the proportion equation
83,706,983.16 : 125,565,361.28 = 25,416,562.70 : x - Step 2: Convert to fraction form
83,706,983.16/125,565,361.28 = 25,416,562.70/x - Step 3: Cross multiply
83,706,983.16x = 125,565,361.28 × 25,416,562.70 - Step 4: Simplify right side
83,706,983.16x = 3,191,439,877,921,272 - Step 5: Solve for x
x = 3,191,439,877,921,272/83,706,983.16 - Step 6: Final answer
x = 38,126,327.79
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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.