Finding the Fourth Proportional to 53,357,146.74, 73,633,698.45 and 31,331,133.18
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Solution
The fourth proportional to 53,357,146.74, 73,633,698.45 and 31,331,133.18 is: 43,237,454.65
Step by Step Solution
- Step 1: Write the proportion equation
53,357,146.74 : 73,633,698.45 = 31,331,133.18 : x - Step 2: Convert to fraction form
53,357,146.74/73,633,698.45 = 31,331,133.18/x - Step 3: Cross multiply
53,357,146.74x = 73,633,698.45 × 31,331,133.18 - Step 4: Simplify right side
53,357,146.74x = 2,307,027,212,672,909.50 - Step 5: Solve for x
x = 2,307,027,212,672,909.50/53,357,146.74 - Step 6: Final answer
x = 43,237,454.65
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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.