Finding the Fourth Proportional to 130,368,167.40, 195,552,251.10 and 69,901,991.40
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Solution
The fourth proportional to 130,368,167.40, 195,552,251.10 and 69,901,991.40 is: 104,852,987.10
Step by Step Solution
- Step 1: Write the proportion equation
130,368,167.40 : 195,552,251.10 = 69,901,991.40 : x - Step 2: Convert to fraction form
130,368,167.40/195,552,251.10 = 69,901,991.40/x - Step 3: Cross multiply
130,368,167.40x = 195,552,251.10 × 69,901,991.40 - Step 4: Simplify right side
130,368,167.40x = 13,669,491,774,642,842 - Step 5: Solve for x
x = 13,669,491,774,642,842/130,368,167.40 - Step 6: Final answer
x = 104,852,987.10
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1.5x scale
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.