Finding the Fourth Proportional to 98,415,237.80, 147,622,856.70 and 97,848,367.40
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Solution
The fourth proportional to 98,415,237.80, 147,622,856.70 and 97,848,367.40 is: 146,772,551.10
Step by Step Solution
- Step 1: Write the proportion equation
98,415,237.80 : 147,622,856.70 = 97,848,367.40 : x - Step 2: Convert to fraction form
98,415,237.80/147,622,856.70 = 97,848,367.40/x - Step 3: Cross multiply
98,415,237.80x = 147,622,856.70 × 97,848,367.40 - Step 4: Simplify right side
98,415,237.80x = 14,444,655,519,019,152 - Step 5: Solve for x
x = 14,444,655,519,019,152/98,415,237.80 - Step 6: Final answer
x = 146,772,551.10
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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.