Finding the Fourth Proportional to 144,648,026.70, 216,972,040.05 and 48,909,914.70
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Solution
The fourth proportional to 144,648,026.70, 216,972,040.05 and 48,909,914.70 is: 73,364,872.05
Step by Step Solution
- Step 1: Write the proportion equation
144,648,026.70 : 216,972,040.05 = 48,909,914.70 : x - Step 2: Convert to fraction form
144,648,026.70/216,972,040.05 = 48,909,914.70/x - Step 3: Cross multiply
144,648,026.70x = 216,972,040.05 × 48,909,914.70 - Step 4: Simplify right side
144,648,026.70x = 10,612,083,971,130,484 - Step 5: Solve for x
x = 10,612,083,971,130,484/144,648,026.70 - Step 6: Final answer
x = 73,364,872.05
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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.