Finding the Fourth Proportional to 74,750,552.80, 112,125,829.20 and 73,742,783.20
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Solution
The fourth proportional to 74,750,552.80, 112,125,829.20 and 73,742,783.20 is: 110,614,174.80
Step by Step Solution
- Step 1: Write the proportion equation
74,750,552.80 : 112,125,829.20 = 73,742,783.20 : x - Step 2: Convert to fraction form
74,750,552.80/112,125,829.20 = 73,742,783.20/x - Step 3: Cross multiply
74,750,552.80x = 112,125,829.20 × 73,742,783.20 - Step 4: Simplify right side
74,750,552.80x = 8,268,470,713,815,830 - Step 5: Solve for x
x = 8,268,470,713,815,830/74,750,552.80 - Step 6: Final answer
x = 110,614,174.80
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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.