Finding the Fourth Proportional to 49,346,203.46, 68,102,849.85 and 28,438,970.18
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Solution
The fourth proportional to 49,346,203.46, 68,102,849.85 and 28,438,970.18 is: 39,248,711.76
Step by Step Solution
- Step 1: Write the proportion equation
49,346,203.46 : 68,102,849.85 = 28,438,970.18 : x - Step 2: Convert to fraction form
49,346,203.46/68,102,849.85 = 28,438,970.18/x - Step 3: Cross multiply
49,346,203.46x = 68,102,849.85 × 28,438,970.18 - Step 4: Simplify right side
49,346,203.46x = 1,936,774,916,057,167.25 - Step 5: Solve for x
x = 1,936,774,916,057,167.25/49,346,203.46 - Step 6: Final answer
x = 39,248,711.76
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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.