Finding the Fourth Proportional to 147,391,390.53, 203,363,552.34 and 97,150,041.09
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Solution
The fourth proportional to 147,391,390.53, 203,363,552.34 and 97,150,041.09 is: 134,042,954.58
Step by Step Solution
- Step 1: Write the proportion equation
147,391,390.53 : 203,363,552.34 = 97,150,041.09 : x - Step 2: Convert to fraction form
147,391,390.53/203,363,552.34 = 97,150,041.09/x - Step 3: Cross multiply
147,391,390.53x = 203,363,552.34 × 97,150,041.09 - Step 4: Simplify right side
147,391,390.53x = 19,756,777,466,039,368 - Step 5: Solve for x
x = 19,756,777,466,039,368/147,391,390.53 - Step 6: Final answer
x = 134,042,954.58
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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.