Finding the Fourth Proportional to 98,209,995.63, 135,533,065.81 and 53,558,403.97
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Solution
The fourth proportional to 98,209,995.63, 135,533,065.81 and 53,558,403.97 is: 73,912,381.76
Step by Step Solution
- Step 1: Write the proportion equation
98,209,995.63 : 135,533,065.81 = 53,558,403.97 : x - Step 2: Convert to fraction form
98,209,995.63/135,533,065.81 = 53,558,403.97/x - Step 3: Cross multiply
98,209,995.63x = 135,533,065.81 × 53,558,403.97 - Step 4: Simplify right side
98,209,995.63x = 7,258,934,689,944,575 - Step 5: Solve for x
x = 7,258,934,689,944,575/98,209,995.63 - Step 6: Final answer
x = 73,912,381.76
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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.