Finding the Fourth Proportional to 55,685,027.79, 76,845,862.88 and 31,239,266.67
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Solution
The fourth proportional to 55,685,027.79, 76,845,862.88 and 31,239,266.67 is: 43,110,482.26
Step by Step Solution
- Step 1: Write the proportion equation
55,685,027.79 : 76,845,862.88 = 31,239,266.67 : x - Step 2: Convert to fraction form
55,685,027.79/76,845,862.88 = 31,239,266.67/x - Step 3: Cross multiply
55,685,027.79x = 76,845,862.88 × 31,239,266.67 - Step 4: Simplify right side
55,685,027.79x = 2,400,608,402,838,378 - Step 5: Solve for x
x = 2,400,608,402,838,378/55,685,027.79 - Step 6: Final answer
x = 43,110,482.26
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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.