Finding the Fourth Proportional to 63,947,395.62, 88,248,313.35 and 39,158,537.94
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Solution
The fourth proportional to 63,947,395.62, 88,248,313.35 and 39,158,537.94 is: 54,039,338.01
Step by Step Solution
- Step 1: Write the proportion equation
63,947,395.62 : 88,248,313.35 = 39,158,537.94 : x - Step 2: Convert to fraction form
63,947,395.62/88,248,313.35 = 39,158,537.94/x - Step 3: Cross multiply
63,947,395.62x = 88,248,313.35 × 39,158,537.94 - Step 4: Simplify right side
63,947,395.62x = 3,455,674,926,456,983 - Step 5: Solve for x
x = 3,455,674,926,456,983/63,947,395.62 - Step 6: Final answer
x = 54,039,338.01
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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.