Finding the Fourth Proportional to 102,616,277.58, 141,612,303.15 and 56,203,542.18
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Solution
The fourth proportional to 102,616,277.58, 141,612,303.15 and 56,203,542.18 is: 77,561,896.04
Step by Step Solution
- Step 1: Write the proportion equation
102,616,277.58 : 141,612,303.15 = 56,203,542.18 : x - Step 2: Convert to fraction form
102,616,277.58/141,612,303.15 = 56,203,542.18/x - Step 3: Cross multiply
102,616,277.58x = 141,612,303.15 × 56,203,542.18 - Step 4: Simplify right side
102,616,277.58x = 7,959,113,053,297,972 - Step 5: Solve for x
x = 7,959,113,053,297,972/102,616,277.58 - Step 6: Final answer
x = 77,561,896.04
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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.