Finding the Fourth Proportional to 228,698,001.43, 315,579,484.14 and 134,606,536.96
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Solution
The fourth proportional to 228,698,001.43, 315,579,484.14 and 134,606,536.96 is: 185,743,037.67
Step by Step Solution
- Step 1: Write the proportion equation
228,698,001.43 : 315,579,484.14 = 134,606,536.96 : x - Step 2: Convert to fraction form
228,698,001.43/315,579,484.14 = 134,606,536.96/x - Step 3: Cross multiply
228,698,001.43x = 315,579,484.14 × 134,606,536.96 - Step 4: Simplify right side
228,698,001.43x = 42,479,061,495,708,648 - Step 5: Solve for x
x = 42,479,061,495,708,648/228,698,001.43 - Step 6: Final answer
x = 185,743,037.67
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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.