Finding the Fourth Proportional to 239,136,901,641.52, 330,008,952,246 and 130,750,072,334.65
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Solution
The fourth proportional to 239,136,901,641.52, 330,008,952,246 and 130,750,072,334.65 is: 180,435,115,120.50
Step by Step Solution
- Step 1: Write the proportion equation
239,136,901,641.52 : 330,008,952,246 = 130,750,072,334.65 : x - Step 2: Convert to fraction form
239,136,901,641.52/330,008,952,246 = 130,750,072,334.65/x - Step 3: Cross multiply
239,136,901,641.52x = 330,008,952,246 × 130,750,072,334.65 - Step 4: Simplify right side
239,136,901,641.52x = 43,148,694,377,246,551,441,408 - Step 5: Solve for x
x = 43,148,694,377,246,551,441,408/239,136,901,641.52 - Step 6: Final answer
x = 180,435,115,120.50
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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.