Finding the Fourth Proportional to 76,736,303.36, 115,186,394.88 and 33,038,702.72
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Solution
The fourth proportional to 76,736,303.36, 115,186,394.88 and 33,038,702.72 is: 49,593,333.16
Step by Step Solution
- Step 1: Write the proportion equation
76,736,303.36 : 115,186,394.88 = 33,038,702.72 : x - Step 2: Convert to fraction form
76,736,303.36/115,186,394.88 = 33,038,702.72/x - Step 3: Cross multiply
76,736,303.36x = 115,186,394.88 × 33,038,702.72 - Step 4: Simplify right side
76,736,303.36x = 3,805,609,057,828,850 - Step 5: Solve for x
x = 3,805,609,057,828,850/76,736,303.36 - Step 6: Final answer
x = 49,593,333.16
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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.