Finding the Fourth Proportional to 115,430,333,448.34, 159,293,856,707.01 and 63,988,762,933.62
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Solution
The fourth proportional to 115,430,333,448.34, 159,293,856,707.01 and 63,988,762,933.62 is: 88,304,490,934.95
Step by Step Solution
- Step 1: Write the proportion equation
115,430,333,448.34 : 159,293,856,707.01 = 63,988,762,933.62 : x - Step 2: Convert to fraction form
115,430,333,448.34/159,293,856,707.01 = 63,988,762,933.62/x - Step 3: Cross multiply
115,430,333,448.34x = 159,293,856,707.01 × 63,988,762,933.62 - Step 4: Simplify right side
115,430,333,448.34x = 10,193,016,833,606,898,679,808 - Step 5: Solve for x
x = 10,193,016,833,606,898,679,808/115,430,333,448.34 - Step 6: Final answer
x = 88,304,490,934.95
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1.5x scale
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.