Finding the Fourth Proportional to 190,053,011.12, 262,273,155.36 and 103,132,883.12
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Solution
The fourth proportional to 190,053,011.12, 262,273,155.36 and 103,132,883.12 is: 142,323,378.71
Step by Step Solution
- Step 1: Write the proportion equation
190,053,011.12 : 262,273,155.36 = 103,132,883.12 : x - Step 2: Convert to fraction form
190,053,011.12/262,273,155.36 = 103,132,883.12/x - Step 3: Cross multiply
190,053,011.12x = 262,273,155.36 × 103,132,883.12 - Step 4: Simplify right side
190,053,011.12x = 27,048,986,677,256,484 - Step 5: Solve for x
x = 27,048,986,677,256,484/190,053,011.12 - Step 6: Final answer
x = 142,323,378.71
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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.