Finding the Fourth Proportional to 76,968,605.99, 106,176,406.51 and 47,590,547.51
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Solution
The fourth proportional to 76,968,605.99, 106,176,406.51 and 47,590,547.51 is: 65,650,056.32
Step by Step Solution
- Step 1: Write the proportion equation
76,968,605.99 : 106,176,406.51 = 47,590,547.51 : x - Step 2: Convert to fraction form
76,968,605.99/106,176,406.51 = 47,590,547.51/x - Step 3: Cross multiply
76,968,605.99x = 106,176,406.51 × 47,590,547.51 - Step 4: Simplify right side
76,968,605.99x = 5,052,993,318,455,228 - Step 5: Solve for x
x = 5,052,993,318,455,228/76,968,605.99 - Step 6: Final answer
x = 65,650,056.32
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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.