Finding the Fourth Proportional to 64,035,048.15, 88,517,297.75 and 57,134,122.74
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Solution
The fourth proportional to 64,035,048.15, 88,517,297.75 and 57,134,122.74 is: 78,977,970.66
Step by Step Solution
- Step 1: Write the proportion equation
64,035,048.15 : 88,517,297.75 = 57,134,122.74 : x - Step 2: Convert to fraction form
64,035,048.15/88,517,297.75 = 57,134,122.74/x - Step 3: Cross multiply
64,035,048.15x = 88,517,297.75 × 57,134,122.74 - Step 4: Simplify right side
64,035,048.15x = 5,057,358,153,975,956 - Step 5: Solve for x
x = 5,057,358,153,975,956/64,035,048.15 - Step 6: Final answer
x = 78,977,970.66
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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.