Finding the Fourth Proportional to 112,371,699.12, 168,557,765.52 and 43,317,021.36
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Solution
The fourth proportional to 112,371,699.12, 168,557,765.52 and 43,317,021.36 is: 64,975,615.63
Step by Step Solution
- Step 1: Write the proportion equation
112,371,699.12 : 168,557,765.52 = 43,317,021.36 : x - Step 2: Convert to fraction form
112,371,699.12/168,557,765.52 = 43,317,021.36/x - Step 3: Cross multiply
112,371,699.12x = 168,557,765.52 × 43,317,021.36 - Step 4: Simplify right side
112,371,699.12x = 7,301,420,329,423,712 - Step 5: Solve for x
x = 7,301,420,329,423,712/112,371,699.12 - Step 6: Final answer
x = 64,975,615.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.