Finding the Fourth Proportional to 257,385,780.18, 385,953,125.49 and 91,333,059.39
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Solution
The fourth proportional to 257,385,780.18, 385,953,125.49 and 91,333,059.39 is: 136,955,039.66
Step by Step Solution
- Step 1: Write the proportion equation
257,385,780.18 : 385,953,125.49 = 91,333,059.39 : x - Step 2: Convert to fraction form
257,385,780.18/385,953,125.49 = 91,333,059.39/x - Step 3: Cross multiply
257,385,780.18x = 385,953,125.49 × 91,333,059.39 - Step 4: Simplify right side
257,385,780.18x = 35,250,279,732,134,292 - Step 5: Solve for x
x = 35,250,279,732,134,292/257,385,780.18 - Step 6: Final answer
x = 136,955,039.66
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