Finding the Fourth Proportional to 61,312,867.62, 91,819,901.30 and 40,550,656.92
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Solution
The fourth proportional to 61,312,867.62, 91,819,901.30 and 40,550,656.92 is: 60,727,176.21
Step by Step Solution
- Step 1: Write the proportion equation
61,312,867.62 : 91,819,901.30 = 40,550,656.92 : x - Step 2: Convert to fraction form
61,312,867.62/91,819,901.30 = 40,550,656.92/x - Step 3: Cross multiply
61,312,867.62x = 91,819,901.30 × 40,550,656.92 - Step 4: Simplify right side
61,312,867.62x = 3,723,357,315,841,809 - Step 5: Solve for x
x = 3,723,357,315,841,809/61,312,867.62 - Step 6: Final answer
x = 60,727,176.21
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.