Finding the Fourth Proportional to 172,476,744.64, 238,021,518.06 and 94,163,598.88
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Solution
The fourth proportional to 172,476,744.64, 238,021,518.06 and 94,163,598.88 is: 129,947,737.58
Step by Step Solution
- Step 1: Write the proportion equation
172,476,744.64 : 238,021,518.06 = 94,163,598.88 : x - Step 2: Convert to fraction form
172,476,744.64/238,021,518.06 = 94,163,598.88/x - Step 3: Cross multiply
172,476,744.64x = 238,021,518.06 × 94,163,598.88 - Step 4: Simplify right side
172,476,744.64x = 22,412,962,751,410,516 - Step 5: Solve for x
x = 22,412,962,751,410,516/172,476,744.64 - Step 6: Final answer
x = 129,947,737.58
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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.