Finding the Fourth Proportional to 199,771,890.24, 299,658,220.68 and 77,008,018.68
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Solution
The fourth proportional to 199,771,890.24, 299,658,220.68 and 77,008,018.68 is: 115,512,176.55
Step by Step Solution
- Step 1: Write the proportion equation
199,771,890.24 : 299,658,220.68 = 77,008,018.68 : x - Step 2: Convert to fraction form
199,771,890.24/299,658,220.68 = 77,008,018.68/x - Step 3: Cross multiply
199,771,890.24x = 299,658,220.68 × 77,008,018.68 - Step 4: Simplify right side
199,771,890.24x = 23,076,085,855,741,004 - Step 5: Solve for x
x = 23,076,085,855,741,004/199,771,890.24 - Step 6: Final answer
x = 115,512,176.55
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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.