Finding the Fourth Proportional to 221,666,926.92, 305,887,237.68 and 122,541,762.52
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Solution
The fourth proportional to 221,666,926.92, 305,887,237.68 and 122,541,762.52 is: 169,100,378.48
Step by Step Solution
- Step 1: Write the proportion equation
221,666,926.92 : 305,887,237.68 = 122,541,762.52 : x - Step 2: Convert to fraction form
221,666,926.92/305,887,237.68 = 122,541,762.52/x - Step 3: Cross multiply
221,666,926.92x = 305,887,237.68 × 122,541,762.52 - Step 4: Simplify right side
221,666,926.92x = 37,483,961,237,681,352 - Step 5: Solve for x
x = 37,483,961,237,681,352/221,666,926.92 - Step 6: Final answer
x = 169,100,378.48
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.