Finding the Fourth Proportional to 98,060,379.42, 135,332,881.98 and 73,237,470.90
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Solution
The fourth proportional to 98,060,379.42, 135,332,881.98 and 73,237,470.90 is: 101,074,848.62
Step by Step Solution
- Step 1: Write the proportion equation
98,060,379.42 : 135,332,881.98 = 73,237,470.90 : x - Step 2: Convert to fraction form
98,060,379.42/135,332,881.98 = 73,237,470.90/x - Step 3: Cross multiply
98,060,379.42x = 135,332,881.98 × 73,237,470.90 - Step 4: Simplify right side
98,060,379.42x = 9,911,438,005,823,384 - Step 5: Solve for x
x = 9,911,438,005,823,384/98,060,379.42 - Step 6: Final answer
x = 101,074,848.62
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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.