Finding the Fourth Proportional to 199,348,536.10, 299,078,791.35 and 97,115,908.90
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Solution
The fourth proportional to 199,348,536.10, 299,078,791.35 and 97,115,908.90 is: 145,701,138.43
Step by Step Solution
- Step 1: Write the proportion equation
199,348,536.10 : 299,078,791.35 = 97,115,908.90 : x - Step 2: Convert to fraction form
199,348,536.10/299,078,791.35 = 97,115,908.90/x - Step 3: Cross multiply
199,348,536.10x = 299,078,791.35 × 97,115,908.90 - Step 4: Simplify right side
199,348,536.10x = 29,045,308,654,668,712 - Step 5: Solve for x
x = 29,045,308,654,668,712/199,348,536.10 - Step 6: Final answer
x = 145,701,138.43
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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.