Finding the Fourth Proportional to 118,497,644.08, 163,533,105.12 and 66,283,565.83
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Solution
The fourth proportional to 118,497,644.08, 163,533,105.12 and 66,283,565.83 is: 91,474,876.34
Step by Step Solution
- Step 1: Write the proportion equation
118,497,644.08 : 163,533,105.12 = 66,283,565.83 : x - Step 2: Convert to fraction form
118,497,644.08/163,533,105.12 = 66,283,565.83/x - Step 3: Cross multiply
118,497,644.08x = 163,533,105.12 × 66,283,565.83 - Step 4: Simplify right side
118,497,644.08x = 10,839,557,338,445,560 - Step 5: Solve for x
x = 10,839,557,338,445,560/118,497,644.08 - Step 6: Final answer
x = 91,474,876.34
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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.