Finding the Fourth Proportional to 185,186,848.96, 277,723,542.66 and 128,046,312.64
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Solution
The fourth proportional to 185,186,848.96, 277,723,542.66 and 128,046,312.64 is: 192,030,242.81
Step by Step Solution
- Step 1: Write the proportion equation
185,186,848.96 : 277,723,542.66 = 128,046,312.64 : x - Step 2: Convert to fraction form
185,186,848.96/277,723,542.66 = 128,046,312.64/x - Step 3: Cross multiply
185,186,848.96x = 277,723,542.66 × 128,046,312.64 - Step 4: Simplify right side
185,186,848.96x = 35,561,475,570,930,740 - Step 5: Solve for x
x = 35,561,475,570,930,740/185,186,848.96 - Step 6: Final answer
x = 192,030,242.81
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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.