Finding the Fourth Proportional to 130,679,288.19, 180,347,958.81 and 74,929,895.55
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Solution
The fourth proportional to 130,679,288.19, 180,347,958.81 and 74,929,895.55 is: 103,409,300.00
Step by Step Solution
- Step 1: Write the proportion equation
130,679,288.19 : 180,347,958.81 = 74,929,895.55 : x - Step 2: Convert to fraction form
130,679,288.19/180,347,958.81 = 74,929,895.55/x - Step 3: Cross multiply
130,679,288.19x = 180,347,958.81 × 74,929,895.55 - Step 4: Simplify right side
130,679,288.19x = 13,513,453,716,289,002 - Step 5: Solve for x
x = 13,513,453,716,289,002/130,679,288.19 - Step 6: Final answer
x = 103,409,300.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.