Finding the Fourth Proportional to 68,587,809.36, 103,292,293.56 and 62,465,609.04
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Solution
The fourth proportional to 68,587,809.36, 103,292,293.56 and 62,465,609.04 is: 94,072,344.44
Step by Step Solution
- Step 1: Write the proportion equation
68,587,809.36 : 103,292,293.56 = 62,465,609.04 : x - Step 2: Convert to fraction form
68,587,809.36/103,292,293.56 = 62,465,609.04/x - Step 3: Cross multiply
68,587,809.36x = 103,292,293.56 × 62,465,609.04 - Step 4: Simplify right side
68,587,809.36x = 6,452,216,026,363,870 - Step 5: Solve for x
x = 6,452,216,026,363,870/68,587,809.36 - Step 6: Final answer
x = 94,072,344.44
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.