Finding the Fourth Proportional to 251,838,588.90, 347,533,719.97 and 140,334,129.41
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Solution
The fourth proportional to 251,838,588.90, 347,533,719.97 and 140,334,129.41 is: 193,659,130.02
Step by Step Solution
- Step 1: Write the proportion equation
251,838,588.90 : 347,533,719.97 = 140,334,129.41 : x - Step 2: Convert to fraction form
251,838,588.90/347,533,719.97 = 140,334,129.41/x - Step 3: Cross multiply
251,838,588.90x = 347,533,719.97 × 140,334,129.41 - Step 4: Simplify right side
251,838,588.90x = 48,770,842,032,608,688 - Step 5: Solve for x
x = 48,770,842,032,608,688/251,838,588.90 - Step 6: Final answer
x = 193,659,130.02
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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.