Finding the Fourth Proportional to 125,691,866.24, 188,564,936.46 and 38,260,220.12
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Solution
The fourth proportional to 125,691,866.24, 188,564,936.46 and 38,260,220.12 is: 57,398,590.63
Step by Step Solution
- Step 1: Write the proportion equation
125,691,866.24 : 188,564,936.46 = 38,260,220.12 : x - Step 2: Convert to fraction form
125,691,866.24/188,564,936.46 = 38,260,220.12/x - Step 3: Cross multiply
125,691,866.24x = 188,564,936.46 × 38,260,220.12 - Step 4: Simplify right side
125,691,866.24x = 7,214,535,975,873,413 - Step 5: Solve for x
x = 7,214,535,975,873,413/125,691,866.24 - Step 6: Final answer
x = 57,398,590.63
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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.