Finding the Fourth Proportional to 90,235,988.94, 124,525,822.71 and 48,982,909.26
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Solution
The fourth proportional to 90,235,988.94, 124,525,822.71 and 48,982,909.26 is: 67,596,500.53
Step by Step Solution
- Step 1: Write the proportion equation
90,235,988.94 : 124,525,822.71 = 48,982,909.26 : x - Step 2: Convert to fraction form
90,235,988.94/124,525,822.71 = 48,982,909.26/x - Step 3: Cross multiply
90,235,988.94x = 124,525,822.71 × 48,982,909.26 - Step 4: Simplify right side
90,235,988.94x = 6,099,637,074,330,777 - Step 5: Solve for x
x = 6,099,637,074,330,777/90,235,988.94 - Step 6: Final answer
x = 67,596,500.53
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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.