Finding the Fourth Proportional to 246,138,417.63, 339,775,603.89 and 153,364,762.26
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Solution
The fourth proportional to 246,138,417.63, 339,775,603.89 and 153,364,762.26 is: 211,708,538.69
Step by Step Solution
- Step 1: Write the proportion equation
246,138,417.63 : 339,775,603.89 = 153,364,762.26 : x - Step 2: Convert to fraction form
246,138,417.63/339,775,603.89 = 153,364,762.26/x - Step 3: Cross multiply
246,138,417.63x = 339,775,603.89 × 153,364,762.26 - Step 4: Simplify right side
246,138,417.63x = 52,109,604,712,337,776 - Step 5: Solve for x
x = 52,109,604,712,337,776/246,138,417.63 - Step 6: Final answer
x = 211,708,538.69
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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.