Finding the Fourth Proportional to 77,303,849.63, 115,703,416.51 and 56,828,149.61
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Solution
The fourth proportional to 77,303,849.63, 115,703,416.51 and 56,828,149.61 is: 85,056,709.27
Step by Step Solution
- Step 1: Write the proportion equation
77,303,849.63 : 115,703,416.51 = 56,828,149.61 : x - Step 2: Convert to fraction form
77,303,849.63/115,703,416.51 = 56,828,149.61/x - Step 3: Cross multiply
77,303,849.63x = 115,703,416.51 × 56,828,149.61 - Step 4: Simplify right side
77,303,849.63x = 6,575,211,063,380,307 - Step 5: Solve for x
x = 6,575,211,063,380,307/77,303,849.63 - Step 6: Final answer
x = 85,056,709.27
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.