Finding the Fourth Proportional to 126,904,328.13, 190,357,149.06 and 57,768,782.41
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Solution
The fourth proportional to 126,904,328.13, 190,357,149.06 and 57,768,782.41 is: 86,653,472.63
Step by Step Solution
- Step 1: Write the proportion equation
126,904,328.13 : 190,357,149.06 = 57,768,782.41 : x - Step 2: Convert to fraction form
126,904,328.13/190,357,149.06 = 57,768,782.41/x - Step 3: Cross multiply
126,904,328.13x = 190,357,149.06 × 57,768,782.41 - Step 4: Simplify right side
126,904,328.13x = 10,996,700,724,235,076 - Step 5: Solve for x
x = 10,996,700,724,235,076/126,904,328.13 - Step 6: Final answer
x = 86,653,472.63
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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.