Finding the Fourth Proportional to 124,871,609.70, 187,307,414.55 and 122,958,422.10
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Solution
The fourth proportional to 124,871,609.70, 187,307,414.55 and 122,958,422.10 is: 184,437,633.15
Step by Step Solution
- Step 1: Write the proportion equation
124,871,609.70 : 187,307,414.55 = 122,958,422.10 : x - Step 2: Convert to fraction form
124,871,609.70/187,307,414.55 = 122,958,422.10/x - Step 3: Cross multiply
124,871,609.70x = 187,307,414.55 × 122,958,422.10 - Step 4: Simplify right side
124,871,609.70x = 23,031,024,140,698,580 - Step 5: Solve for x
x = 23,031,024,140,698,580/124,871,609.70 - Step 6: Final answer
x = 184,437,633.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.