Finding the Fourth Proportional to 98,060,369.19, 135,332,867.91 and 73,237,460.73
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Solution
The fourth proportional to 98,060,369.19, 135,332,867.91 and 73,237,460.73 is: 101,074,834.62
Step by Step Solution
- Step 1: Write the proportion equation
98,060,369.19 : 135,332,867.91 = 73,237,460.73 : x - Step 2: Convert to fraction form
98,060,369.19/135,332,867.91 = 73,237,460.73/x - Step 3: Cross multiply
98,060,369.19x = 135,332,867.91 × 73,237,460.73 - Step 4: Simplify right side
98,060,369.19x = 9,911,435,599,036,902 - Step 5: Solve for x
x = 9,911,435,599,036,902/98,060,369.19 - Step 6: Final answer
x = 101,074,834.62
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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.