Finding the Fourth Proportional to 98,495,567.36, 135,921,510.24 and 53,839,554.56
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Solution
The fourth proportional to 98,495,567.36, 135,921,510.24 and 53,839,554.56 is: 74,297,288.32
Step by Step Solution
- Step 1: Write the proportion equation
98,495,567.36 : 135,921,510.24 = 53,839,554.56 : x - Step 2: Convert to fraction form
98,495,567.36/135,921,510.24 = 53,839,554.56/x - Step 3: Cross multiply
98,495,567.36x = 135,921,510.24 × 53,839,554.56 - Step 4: Simplify right side
98,495,567.36x = 7,317,953,566,444,080 - Step 5: Solve for x
x = 7,317,953,566,444,080/98,495,567.36 - Step 6: Final answer
x = 74,297,288.32
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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.