Finding the Fourth Proportional to 130,764,000.36, 180,454,319.82 and 75,791,743.32
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Solution
The fourth proportional to 130,764,000.36, 180,454,319.82 and 75,791,743.32 is: 104,592,605.39
Step by Step Solution
- Step 1: Write the proportion equation
130,764,000.36 : 180,454,319.82 = 75,791,743.32 : x - Step 2: Convert to fraction form
130,764,000.36/180,454,319.82 = 75,791,743.32/x - Step 3: Cross multiply
130,764,000.36x = 180,454,319.82 × 75,791,743.32 - Step 4: Simplify right side
130,764,000.36x = 13,676,947,488,782,626 - Step 5: Solve for x
x = 13,676,947,488,782,626/130,764,000.36 - Step 6: Final answer
x = 104,592,605.39
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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.