Finding the Fourth Proportional to 98,415,511.80, 147,623,267.70 and 37,831,237.80
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Solution
The fourth proportional to 98,415,511.80, 147,623,267.70 and 37,831,237.80 is: 56,746,856.70
Step by Step Solution
- Step 1: Write the proportion equation
98,415,511.80 : 147,623,267.70 = 37,831,237.80 : x - Step 2: Convert to fraction form
98,415,511.80/147,623,267.70 = 37,831,237.80/x - Step 3: Cross multiply
98,415,511.80x = 147,623,267.70 × 37,831,237.80 - Step 4: Simplify right side
98,415,511.80x = 5,584,770,945,171,758 - Step 5: Solve for x
x = 5,584,770,945,171,758/98,415,511.80 - Step 6: Final answer
x = 56,746,856.70
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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.