Finding the Fourth Proportional to 157,308,363.72, 235,952,662.73 and 48,124,860.03
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Solution
The fourth proportional to 157,308,363.72, 235,952,662.73 and 48,124,860.03 is: 72,184,266.61
Step by Step Solution
- Step 1: Write the proportion equation
157,308,363.72 : 235,952,662.73 = 48,124,860.03 : x - Step 2: Convert to fraction form
157,308,363.72/235,952,662.73 = 48,124,860.03/x - Step 3: Cross multiply
157,308,363.72x = 235,952,662.73 × 48,124,860.03 - Step 4: Simplify right side
157,308,363.72x = 11,355,188,867,346,424 - Step 5: Solve for x
x = 11,355,188,867,346,424/157,308,363.72 - Step 6: Final answer
x = 72,184,266.61
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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.