Finding the Fourth Proportional to 49,761,982.19, 68,671,854.20 and 27,736,878.20
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Solution
The fourth proportional to 49,761,982.19, 68,671,854.20 and 27,736,878.20 is: 38,277,069.59
Step by Step Solution
- Step 1: Write the proportion equation
49,761,982.19 : 68,671,854.20 = 27,736,878.20 : x - Step 2: Convert to fraction form
49,761,982.19/68,671,854.20 = 27,736,878.20/x - Step 3: Cross multiply
49,761,982.19x = 68,671,854.20 × 27,736,878.20 - Step 4: Simplify right side
49,761,982.19x = 1,904,742,855,439,541.50 - Step 5: Solve for x
x = 1,904,742,855,439,541.50/49,761,982.19 - Step 6: Final answer
x = 38,277,069.59
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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.