Finding the Fourth Proportional to 170,472,697.98, 235,246,595.43 and 107,782,539.81
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Solution
The fourth proportional to 170,472,697.98, 235,246,595.43 and 107,782,539.81 is: 148,736,283.51
Step by Step Solution
- Step 1: Write the proportion equation
170,472,697.98 : 235,246,595.43 = 107,782,539.81 : x - Step 2: Convert to fraction form
170,472,697.98/235,246,595.43 = 107,782,539.81/x - Step 3: Cross multiply
170,472,697.98x = 235,246,595.43 × 107,782,539.81 - Step 4: Simplify right side
170,472,697.98x = 25,355,475,537,100,940 - Step 5: Solve for x
x = 25,355,475,537,100,940/170,472,697.98 - Step 6: Final answer
x = 148,736,283.51
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.