Finding the Fourth Proportional to 83,960,574,248.70, 115,248,844,968.79 and 74,232,015,302.70
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Solution
The fourth proportional to 83,960,574,248.70, 115,248,844,968.79 and 74,232,015,302.70 is: 101,894,896,502.26
Step by Step Solution
- Step 1: Write the proportion equation
83,960,574,248.70 : 115,248,844,968.79 = 74,232,015,302.70 : x - Step 2: Convert to fraction form
83,960,574,248.70/115,248,844,968.79 = 74,232,015,302.70/x - Step 3: Cross multiply
83,960,574,248.70x = 115,248,844,968.79 × 74,232,015,302.70 - Step 4: Simplify right side
83,960,574,248.70x = 8,555,154,023,341,718,765,568 - Step 5: Solve for x
x = 8,555,154,023,341,718,765,568/83,960,574,248.70 - Step 6: Final answer
x = 101,894,896,502.26
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.