Finding the Fourth Proportional to 135,958,674.30, 203,938,011.45 and 114,435,313.80
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Solution
The fourth proportional to 135,958,674.30, 203,938,011.45 and 114,435,313.80 is: 171,652,970.70
Step by Step Solution
- Step 1: Write the proportion equation
135,958,674.30 : 203,938,011.45 = 114,435,313.80 : x - Step 2: Convert to fraction form
135,958,674.30/203,938,011.45 = 114,435,313.80/x - Step 3: Cross multiply
135,958,674.30x = 203,938,011.45 × 114,435,313.80 - Step 4: Simplify right side
135,958,674.30x = 23,337,710,336,028,740 - Step 5: Solve for x
x = 23,337,710,336,028,740/135,958,674.30 - Step 6: Final answer
x = 171,652,970.70
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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.