Finding the Fourth Proportional to 177,187,587.80, 265,781,381.70 and 47,794,947.80
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Solution
The fourth proportional to 177,187,587.80, 265,781,381.70 and 47,794,947.80 is: 71,692,421.70
Step by Step Solution
- Step 1: Write the proportion equation
177,187,587.80 : 265,781,381.70 = 47,794,947.80 : x - Step 2: Convert to fraction form
177,187,587.80/265,781,381.70 = 47,794,947.80/x - Step 3: Cross multiply
177,187,587.80x = 265,781,381.70 × 47,794,947.80 - Step 4: Simplify right side
177,187,587.80x = 12,703,007,264,563,374 - Step 5: Solve for x
x = 12,703,007,264,563,374/177,187,587.80 - Step 6: Final answer
x = 71,692,421.70
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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.