Finding the Fourth Proportional to 79,938,617.34, 110,309,135.07 and 45,134,743.08
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Solution
The fourth proportional to 79,938,617.34, 110,309,135.07 and 45,134,743.08 is: 62,282,469.18
Step by Step Solution
- Step 1: Write the proportion equation
79,938,617.34 : 110,309,135.07 = 45,134,743.08 : x - Step 2: Convert to fraction form
79,938,617.34/110,309,135.07 = 45,134,743.08/x - Step 3: Cross multiply
79,938,617.34x = 110,309,135.07 × 45,134,743.08 - Step 4: Simplify right side
79,938,617.34x = 4,978,774,470,761,467 - Step 5: Solve for x
x = 4,978,774,470,761,467/79,938,617.34 - Step 6: Final answer
x = 62,282,469.18
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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.