Finding the Fourth Proportional to 55,724,117.80, 83,582,240.10 and 19,323,689.80
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Solution
The fourth proportional to 55,724,117.80, 83,582,240.10 and 19,323,689.80 is: 28,984,169.59
Step by Step Solution
- Step 1: Write the proportion equation
55,724,117.80 : 83,582,240.10 = 19,323,689.80 : x - Step 2: Convert to fraction form
55,724,117.80/83,582,240.10 = 19,323,689.80/x - Step 3: Cross multiply
55,724,117.80x = 83,582,240.10 × 19,323,689.80 - Step 4: Simplify right side
55,724,117.80x = 1,615,117,280,481,521 - Step 5: Solve for x
x = 1,615,117,280,481,521/55,724,117.80 - Step 6: Final answer
x = 28,984,169.59
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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.