Finding the Fourth Proportional to 103,513,633.70, 155,138,574.45 and 55,014,721.70
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Solution
The fourth proportional to 103,513,633.70, 155,138,574.45 and 55,014,721.70 is: 82,451,993.94
Step by Step Solution
- Step 1: Write the proportion equation
103,513,633.70 : 155,138,574.45 = 55,014,721.70 : x - Step 2: Convert to fraction form
103,513,633.70/155,138,574.45 = 55,014,721.70/x - Step 3: Cross multiply
103,513,633.70x = 155,138,574.45 × 55,014,721.70 - Step 4: Simplify right side
103,513,633.70x = 8,534,905,498,301,480 - Step 5: Solve for x
x = 8,534,905,498,301,480/103,513,633.70 - Step 6: Final answer
x = 82,451,993.94
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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.