Finding the Fourth Proportional to 125,260,984.39, 187,830,005.47 and 51,471,396.63
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Solution
The fourth proportional to 125,260,984.39, 187,830,005.47 and 51,471,396.63 is: 77,181,835.65
Step by Step Solution
- Step 1: Write the proportion equation
125,260,984.39 : 187,830,005.47 = 51,471,396.63 : x - Step 2: Convert to fraction form
125,260,984.39/187,830,005.47 = 51,471,396.63/x - Step 3: Cross multiply
125,260,984.39x = 187,830,005.47 × 51,471,396.63 - Step 4: Simplify right side
125,260,984.39x = 9,667,872,710,561,440 - Step 5: Solve for x
x = 9,667,872,710,561,440/125,260,984.39 - Step 6: Final answer
x = 77,181,835.65
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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.