Finding the Fourth Proportional to 159,648,905.80, 239,473,358.70 and 68,949,641.80
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Solution
The fourth proportional to 159,648,905.80, 239,473,358.70 and 68,949,641.80 is: 103,424,462.70
Step by Step Solution
- Step 1: Write the proportion equation
159,648,905.80 : 239,473,358.70 = 68,949,641.80 : x - Step 2: Convert to fraction form
159,648,905.80/239,473,358.70 = 68,949,641.80/x - Step 3: Cross multiply
159,648,905.80x = 239,473,358.70 × 68,949,641.80 - Step 4: Simplify right side
159,648,905.80x = 16,511,602,303,007,912 - Step 5: Solve for x
x = 16,511,602,303,007,912/159,648,905.80 - Step 6: Final answer
x = 103,424,462.70
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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.