Finding the Fourth Proportional to 72,068,798.09, 99,454,446.14 and 39,028,291.08
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Solution
The fourth proportional to 72,068,798.09, 99,454,446.14 and 39,028,291.08 is: 53,858,773.51
Step by Step Solution
- Step 1: Write the proportion equation
72,068,798.09 : 99,454,446.14 = 39,028,291.08 : x - Step 2: Convert to fraction form
72,068,798.09/99,454,446.14 = 39,028,291.08/x - Step 3: Cross multiply
72,068,798.09x = 99,454,446.14 × 39,028,291.08 - Step 4: Simplify right side
72,068,798.09x = 3,881,537,072,956,961 - Step 5: Solve for x
x = 3,881,537,072,956,961/72,068,798.09 - Step 6: Final answer
x = 53,858,773.51
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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.