Finding the Fourth Proportional to 98,079,507.84, 135,340,032.96 and 54,623,487.36
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Solution
The fourth proportional to 98,079,507.84, 135,340,032.96 and 54,623,487.36 is: 75,375,017.09
Step by Step Solution
- Step 1: Write the proportion equation
98,079,507.84 : 135,340,032.96 = 54,623,487.36 : x - Step 2: Convert to fraction form
98,079,507.84/135,340,032.96 = 54,623,487.36/x - Step 3: Cross multiply
98,079,507.84x = 135,340,032.96 × 54,623,487.36 - Step 4: Simplify right side
98,079,507.84x = 7,392,744,579,692,544 - Step 5: Solve for x
x = 7,392,744,579,692,544/98,079,507.84 - Step 6: Final answer
x = 75,375,017.09
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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.