Finding the Fourth Proportional to 73,457,726.70, 110,186,590.05 and 68,978,750.70
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Solution
The fourth proportional to 73,457,726.70, 110,186,590.05 and 68,978,750.70 is: 103,468,126.05
Step by Step Solution
- Step 1: Write the proportion equation
73,457,726.70 : 110,186,590.05 = 68,978,750.70 : x - Step 2: Convert to fraction form
73,457,726.70/110,186,590.05 = 68,978,750.70/x - Step 3: Cross multiply
73,457,726.70x = 110,186,590.05 × 68,978,750.70 - Step 4: Simplify right side
73,457,726.70x = 7,600,533,325,542,051 - Step 5: Solve for x
x = 7,600,533,325,542,051/73,457,726.70 - Step 6: Final answer
x = 103,468,126.05
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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.