Finding the Fourth Proportional to 159,475,547.60, 239,213,321.40 and 157,963,893.20
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Solution
The fourth proportional to 159,475,547.60, 239,213,321.40 and 157,963,893.20 is: 236,945,839.80
Step by Step Solution
- Step 1: Write the proportion equation
159,475,547.60 : 239,213,321.40 = 157,963,893.20 : x - Step 2: Convert to fraction form
159,475,547.60/239,213,321.40 = 157,963,893.20/x - Step 3: Cross multiply
159,475,547.60x = 239,213,321.40 × 157,963,893.20 - Step 4: Simplify right side
159,475,547.60x = 37,787,067,553,646,872 - Step 5: Solve for x
x = 37,787,067,553,646,872/159,475,547.60 - Step 6: Final answer
x = 236,945,839.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.