Finding the Fourth Proportional to 115,085,622.12, 172,653,316.38 and 61,225,106.28
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Solution
The fourth proportional to 115,085,622.12, 172,653,316.38 and 61,225,106.28 is: 91,850,897.19
Step by Step Solution
- Step 1: Write the proportion equation
115,085,622.12 : 172,653,316.38 = 61,225,106.28 : x - Step 2: Convert to fraction form
115,085,622.12/172,653,316.38 = 61,225,106.28/x - Step 3: Cross multiply
115,085,622.12x = 172,653,316.38 × 61,225,106.28 - Step 4: Simplify right side
115,085,622.12x = 10,570,717,644,959,964 - Step 5: Solve for x
x = 10,570,717,644,959,964/115,085,622.12 - Step 6: Final answer
x = 91,850,897.19
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.