Finding the Fourth Proportional to 157,598,666.57, 217,489,601.36 and 87,034,133.00
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Solution
The fourth proportional to 157,598,666.57, 217,489,601.36 and 87,034,133.00 is: 120,109,004.10
Step by Step Solution
- Step 1: Write the proportion equation
157,598,666.57 : 217,489,601.36 = 87,034,133.00 : x - Step 2: Convert to fraction form
157,598,666.57/217,489,601.36 = 87,034,133.00/x - Step 3: Cross multiply
157,598,666.57x = 217,489,601.36 × 87,034,133.00 - Step 4: Simplify right side
157,598,666.57x = 18,929,018,889,360,604 - Step 5: Solve for x
x = 18,929,018,889,360,604/157,598,666.57 - Step 6: Final answer
x = 120,109,004.10
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.