Finding the Fourth Proportional to 61,242,020.93, 84,457,219.78 and 44,695,937.09
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Solution
The fourth proportional to 61,242,020.93, 84,457,219.78 and 44,695,937.09 is: 61,638,961.69
Step by Step Solution
- Step 1: Write the proportion equation
61,242,020.93 : 84,457,219.78 = 44,695,937.09 : x - Step 2: Convert to fraction form
61,242,020.93/84,457,219.78 = 44,695,937.09/x - Step 3: Cross multiply
61,242,020.93x = 84,457,219.78 × 44,695,937.09 - Step 4: Simplify right side
61,242,020.93x = 3,774,894,582,098,827 - Step 5: Solve for x
x = 3,774,894,582,098,827/61,242,020.93 - Step 6: Final answer
x = 61,638,961.69
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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.