Finding the Fourth Proportional to 77,439,439.58, 106,872,674.06 and 44,402,762.48
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Solution
The fourth proportional to 77,439,439.58, 106,872,674.06 and 44,402,762.48 is: 61,279,394.42
Step by Step Solution
- Step 1: Write the proportion equation
77,439,439.58 : 106,872,674.06 = 44,402,762.48 : x - Step 2: Convert to fraction form
77,439,439.58/106,872,674.06 = 44,402,762.48/x - Step 3: Cross multiply
77,439,439.58x = 106,872,674.06 × 44,402,762.48 - Step 4: Simplify right side
77,439,439.58x = 4,745,441,961,666,623 - Step 5: Solve for x
x = 4,745,441,961,666,623/77,439,439.58 - Step 6: Final answer
x = 61,279,394.42
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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.