Finding the Fourth Proportional to 185,890,368.42, 256,527,289.87 and 102,256,698.17
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Solution
The fourth proportional to 185,890,368.42, 256,527,289.87 and 102,256,698.17 is: 141,113,463.14
Step by Step Solution
- Step 1: Write the proportion equation
185,890,368.42 : 256,527,289.87 = 102,256,698.17 : x - Step 2: Convert to fraction form
185,890,368.42/256,527,289.87 = 102,256,698.17/x - Step 3: Cross multiply
185,890,368.42x = 256,527,289.87 × 102,256,698.17 - Step 4: Simplify right side
185,890,368.42x = 26,231,633,652,604,688 - Step 5: Solve for x
x = 26,231,633,652,604,688/185,890,368.42 - Step 6: Final answer
x = 141,113,463.14
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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.