Finding the Fourth Proportional to 86,252,415.03, 119,029,990.05 and 47,095,743.74
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Solution
The fourth proportional to 86,252,415.03, 119,029,990.05 and 47,095,743.74 is: 64,993,031.28
Step by Step Solution
- Step 1: Write the proportion equation
86,252,415.03 : 119,029,990.05 = 47,095,743.74 : x - Step 2: Convert to fraction form
86,252,415.03/119,029,990.05 = 47,095,743.74/x - Step 3: Cross multiply
86,252,415.03x = 119,029,990.05 × 47,095,743.74 - Step 4: Simplify right side
86,252,415.03x = 5,605,805,908,174,400 - Step 5: Solve for x
x = 5,605,805,908,174,400/86,252,415.03 - Step 6: Final answer
x = 64,993,031.28
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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.