Finding the Fourth Proportional to 126,904,318.08, 190,357,133.97 and 57,768,772.32
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Solution
The fourth proportional to 126,904,318.08, 190,357,133.97 and 57,768,772.32 is: 86,653,457.49
Step by Step Solution
- Step 1: Write the proportion equation
126,904,318.08 : 190,357,133.97 = 57,768,772.32 : x - Step 2: Convert to fraction form
126,904,318.08/190,357,133.97 = 57,768,772.32/x - Step 3: Cross multiply
126,904,318.08x = 190,357,133.97 × 57,768,772.32 - Step 4: Simplify right side
126,904,318.08x = 10,996,697,932,017,300 - Step 5: Solve for x
x = 10,996,697,932,017,300/126,904,318.08 - Step 6: Final answer
x = 86,653,457.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.