Finding the Fourth Proportional to 133,873,685.92, 199,909,021.40 and 109,330,300.99
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Solution
The fourth proportional to 133,873,685.92, 199,909,021.40 and 109,330,300.99 is: 163,259,219.54
Step by Step Solution
- Step 1: Write the proportion equation
133,873,685.92 : 199,909,021.40 = 109,330,300.99 : x - Step 2: Convert to fraction form
133,873,685.92/199,909,021.40 = 109,330,300.99/x - Step 3: Cross multiply
133,873,685.92x = 199,909,021.40 × 109,330,300.99 - Step 4: Simplify right side
133,873,685.92x = 21,856,113,480,278,352 - Step 5: Solve for x
x = 21,856,113,480,278,352/133,873,685.92 - Step 6: Final answer
x = 163,259,219.54
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.