Finding the Fourth Proportional to 84,035,028.78, 115,968,106.65 and 46,865,344.08
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Solution
The fourth proportional to 84,035,028.78, 115,968,106.65 and 46,865,344.08 is: 64,674,044.85
Step by Step Solution
- Step 1: Write the proportion equation
84,035,028.78 : 115,968,106.65 = 46,865,344.08 : x - Step 2: Convert to fraction form
84,035,028.78/115,968,106.65 = 46,865,344.08/x - Step 3: Cross multiply
84,035,028.78x = 115,968,106.65 × 46,865,344.08 - Step 4: Simplify right side
84,035,028.78x = 5,434,885,220,458,386 - Step 5: Solve for x
x = 5,434,885,220,458,386/84,035,028.78 - Step 6: Final answer
x = 64,674,044.85
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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.