Finding the Fourth Proportional to 83,032,694.70, 124,549,042.05 and 39,891,495.30
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Solution
The fourth proportional to 83,032,694.70, 124,549,042.05 and 39,891,495.30 is: 59,837,242.95
Step by Step Solution
- Step 1: Write the proportion equation
83,032,694.70 : 124,549,042.05 = 39,891,495.30 : x - Step 2: Convert to fraction form
83,032,694.70/124,549,042.05 = 39,891,495.30/x - Step 3: Cross multiply
83,032,694.70x = 124,549,042.05 × 39,891,495.30 - Step 4: Simplify right side
83,032,694.70x = 4,968,447,525,557,077 - Step 5: Solve for x
x = 4,968,447,525,557,077/83,032,694.70 - Step 6: Final answer
x = 59,837,242.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.