Finding the Fourth Proportional to 114,474,134.08, 157,959,966.68 and 77,385,112.68
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Solution
The fourth proportional to 114,474,134.08, 157,959,966.68 and 77,385,112.68 is: 106,781,762.70
Step by Step Solution
- Step 1: Write the proportion equation
114,474,134.08 : 157,959,966.68 = 77,385,112.68 : x - Step 2: Convert to fraction form
114,474,134.08/157,959,966.68 = 77,385,112.68/x - Step 3: Cross multiply
114,474,134.08x = 157,959,966.68 × 77,385,112.68 - Step 4: Simplify right side
114,474,134.08x = 12,223,749,820,460,848 - Step 5: Solve for x
x = 12,223,749,820,460,848/114,474,134.08 - Step 6: Final answer
x = 106,781,762.70
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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.