Finding the Fourth Proportional to 272,134,373.94, 375,698,258.37 and 188,623,866.42
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Solution
The fourth proportional to 272,134,373.94, 375,698,258.37 and 188,623,866.42 is: 260,406,861.05
Step by Step Solution
- Step 1: Write the proportion equation
272,134,373.94 : 375,698,258.37 = 188,623,866.42 : x - Step 2: Convert to fraction form
272,134,373.94/375,698,258.37 = 188,623,866.42/x - Step 3: Cross multiply
272,134,373.94x = 375,698,258.37 × 188,623,866.42 - Step 4: Simplify right side
272,134,373.94x = 70,865,658,101,009,520 - Step 5: Solve for x
x = 70,865,658,101,009,520/272,134,373.94 - Step 6: Final answer
x = 260,406,861.05
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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.