Finding the Fourth Proportional to 77,937,259.23, 107,553,626.24 and 43,132,349.79
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Solution
The fourth proportional to 77,937,259.23, 107,553,626.24 and 43,132,349.79 is: 59,522,758.10
Step by Step Solution
- Step 1: Write the proportion equation
77,937,259.23 : 107,553,626.24 = 43,132,349.79 : x - Step 2: Convert to fraction form
77,937,259.23/107,553,626.24 = 43,132,349.79/x - Step 3: Cross multiply
77,937,259.23x = 107,553,626.24 × 43,132,349.79 - Step 4: Simplify right side
77,937,259.23x = 4,639,040,627,950,941 - Step 5: Solve for x
x = 4,639,040,627,950,941/77,937,259.23 - Step 6: Final answer
x = 59,522,758.10
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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.