Finding the Fourth Proportional to 247,855,261.32, 342,038,368.68 and 136,343,701.08
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Solution
The fourth proportional to 247,855,261.32, 342,038,368.68 and 136,343,701.08 is: 188,153,266.74
Step by Step Solution
- Step 1: Write the proportion equation
247,855,261.32 : 342,038,368.68 = 136,343,701.08 : x - Step 2: Convert to fraction form
247,855,261.32/342,038,368.68 = 136,343,701.08/x - Step 3: Cross multiply
247,855,261.32x = 342,038,368.68 × 136,343,701.08 - Step 4: Simplify right side
247,855,261.32x = 46,634,777,097,196,760 - Step 5: Solve for x
x = 46,634,777,097,196,760/247,855,261.32 - Step 6: Final answer
x = 188,153,266.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.