Finding the Fourth Proportional to 126,904,315.30, 190,357,129.82 and 57,768,769.58
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Solution
The fourth proportional to 126,904,315.30, 190,357,129.82 and 57,768,769.58 is: 86,653,453.39
Step by Step Solution
- Step 1: Write the proportion equation
126,904,315.30 : 190,357,129.82 = 57,768,769.58 : x - Step 2: Convert to fraction form
126,904,315.30/190,357,129.82 = 57,768,769.58/x - Step 3: Cross multiply
126,904,315.30x = 190,357,129.82 × 57,768,769.58 - Step 4: Simplify right side
126,904,315.30x = 10,996,697,170,481,726 - Step 5: Solve for x
x = 10,996,697,170,481,726/126,904,315.30 - Step 6: Final answer
x = 86,653,453.39
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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.