Finding the Fourth Proportional to 167,055,107.12, 230,537,621.40 and 93,717,823.76
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Solution
The fourth proportional to 167,055,107.12, 230,537,621.40 and 93,717,823.76 is: 129,331,479.56
Step by Step Solution
- Step 1: Write the proportion equation
167,055,107.12 : 230,537,621.40 = 93,717,823.76 : x - Step 2: Convert to fraction form
167,055,107.12/230,537,621.40 = 93,717,823.76/x - Step 3: Cross multiply
167,055,107.12x = 230,537,621.40 × 93,717,823.76 - Step 4: Simplify right side
167,055,107.12x = 21,605,484,172,414,808 - Step 5: Solve for x
x = 21,605,484,172,414,808/167,055,107.12 - Step 6: Final answer
x = 129,331,479.56
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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.