Finding the Fourth Proportional to 87,008,528, 120,069,370.68 and 47,850,303.80
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Solution
The fourth proportional to 87,008,528, 120,069,370.68 and 47,850,303.80 is: 66,032,100.49
Step by Step Solution
- Step 1: Write the proportion equation
87,008,528 : 120,069,370.68 = 47,850,303.80 : x - Step 2: Convert to fraction form
87,008,528/120,069,370.68 = 47,850,303.80/x - Step 3: Cross multiply
87,008,528x = 120,069,370.68 × 47,850,303.80 - Step 4: Simplify right side
87,008,528x = 5,745,355,864,112,813 - Step 5: Solve for x
x = 5,745,355,864,112,813/87,008,528 - Step 6: Final answer
x = 66,032,100.49
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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.