Finding the Fourth Proportional to 103,553,812.72, 155,290,347.06 and 38,822,330.62
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Solution
The fourth proportional to 103,553,812.72, 155,290,347.06 and 38,822,330.62 is: 58,218,360.46
Step by Step Solution
- Step 1: Write the proportion equation
103,553,812.72 : 155,290,347.06 = 38,822,330.62 : x - Step 2: Convert to fraction form
103,553,812.72/155,290,347.06 = 38,822,330.62/x - Step 3: Cross multiply
103,553,812.72x = 155,290,347.06 × 38,822,330.62 - Step 4: Simplify right side
103,553,812.72x = 6,028,733,195,657,865 - Step 5: Solve for x
x = 6,028,733,195,657,865/103,553,812.72 - Step 6: Final answer
x = 58,218,360.46
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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.