Finding the Fourth Proportional to 130,133,027.55, 195,518,405.93 and 97,847,986.80
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Solution
The fourth proportional to 130,133,027.55, 195,518,405.93 and 97,847,986.80 is: 147,011,736.86
Step by Step Solution
- Step 1: Write the proportion equation
130,133,027.55 : 195,518,405.93 = 97,847,986.80 : x - Step 2: Convert to fraction form
130,133,027.55/195,518,405.93 = 97,847,986.80/x - Step 3: Cross multiply
130,133,027.55x = 195,518,405.93 × 97,847,986.80 - Step 4: Simplify right side
130,133,027.55x = 19,131,082,402,595,680 - Step 5: Solve for x
x = 19,131,082,402,595,680/130,133,027.55 - Step 6: Final answer
x = 147,011,736.86
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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.