Finding the Fourth Proportional to 130,506,771.11, 180,048,371.30 and 74,722,378.10
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Solution
The fourth proportional to 130,506,771.11, 180,048,371.30 and 74,722,378.10 is: 103,087,697.00
Step by Step Solution
- Step 1: Write the proportion equation
130,506,771.11 : 180,048,371.30 = 74,722,378.10 : x - Step 2: Convert to fraction form
130,506,771.11/180,048,371.30 = 74,722,378.10/x - Step 3: Cross multiply
130,506,771.11x = 180,048,371.30 × 74,722,378.10 - Step 4: Simplify right side
130,506,771.11x = 13,453,642,475,574,144 - Step 5: Solve for x
x = 13,453,642,475,574,144/130,506,771.11 - Step 6: Final answer
x = 103,087,697.00
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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.