Finding the Fourth Proportional to 171,338,303.39, 257,031,858.35 and 53,173,273.55
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Solution
The fourth proportional to 171,338,303.39, 257,031,858.35 and 53,173,273.55 is: 79,767,483.65
Step by Step Solution
- Step 1: Write the proportion equation
171,338,303.39 : 257,031,858.35 = 53,173,273.55 : x - Step 2: Convert to fraction form
171,338,303.39/257,031,858.35 = 53,173,273.55/x - Step 3: Cross multiply
171,338,303.39x = 257,031,858.35 × 53,173,273.55 - Step 4: Simplify right side
171,338,303.39x = 13,667,225,313,558,376 - Step 5: Solve for x
x = 13,667,225,313,558,376/171,338,303.39 - Step 6: Final answer
x = 79,767,483.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.